1 /* SPDX-License-Identifier: ISC */
2 
3 #ifndef __MT7603_H
4 #define __MT7603_H
5 
6 #include <linux/interrupt.h>
7 #include <linux/ktime.h>
8 #include "../mt76.h"
9 #include "regs.h"
10 
11 #define MT7603_MAX_INTERFACES	4
12 #define MT7603_WTBL_SIZE	128
13 #define MT7603_WTBL_RESERVED	(MT7603_WTBL_SIZE - 1)
14 #define MT7603_WTBL_STA		(MT7603_WTBL_RESERVED - MT7603_MAX_INTERFACES)
15 
16 #define MT7603_RATE_RETRY	2
17 
18 #define MT7603_MCU_RX_RING_SIZE	64
19 #define MT7603_RX_RING_SIZE     128
20 
21 #define MT7603_FIRMWARE_E1	"mt7603_e1.bin"
22 #define MT7603_FIRMWARE_E2	"mt7603_e2.bin"
23 #define MT7628_FIRMWARE_E1	"mt7628_e1.bin"
24 #define MT7628_FIRMWARE_E2	"mt7628_e2.bin"
25 
26 #define MT7603_EEPROM_SIZE	1024
27 
28 #define MT_AGG_SIZE_LIMIT(_n)	(((_n) + 1) * 4)
29 
30 #define MT7603_PRE_TBTT_TIME	5000 /* ms */
31 
32 #define MT7603_WATCHDOG_TIME	100 /* ms */
33 #define MT7603_WATCHDOG_TIMEOUT	10 /* number of checks */
34 
35 #define MT7603_EDCCA_BLOCK_TH	10
36 
37 #define MT7603_CFEND_RATE_DEFAULT	0x69 /* chip default (24M) */
38 #define MT7603_CFEND_RATE_11B		0x03 /* 11B LP, 11M */
39 
40 struct mt7603_vif;
41 struct mt7603_sta;
42 
43 enum {
44 	MT7603_REV_E1 = 0x00,
45 	MT7603_REV_E2 = 0x10,
46 	MT7628_REV_E1 = 0x8a00,
47 };
48 
49 enum mt7603_bw {
50 	MT_BW_20,
51 	MT_BW_40,
52 	MT_BW_80,
53 };
54 
55 struct mt7603_rate_set {
56 	struct ieee80211_tx_rate probe_rate;
57 	struct ieee80211_tx_rate rates[4];
58 };
59 
60 struct mt7603_sta {
61 	struct mt76_wcid wcid; /* must be first */
62 
63 	struct mt7603_vif *vif;
64 
65 	struct list_head poll_list;
66 	u32 tx_airtime_ac[4];
67 
68 	struct sk_buff_head psq;
69 
70 	struct ieee80211_tx_rate rates[4];
71 
72 	struct mt7603_rate_set rateset[2];
73 	u32 rate_set_tsf;
74 
75 	u8 rate_count;
76 	u8 n_rates;
77 
78 	u8 rate_probe;
79 	u8 smps;
80 
81 	u8 ps;
82 };
83 
84 struct mt7603_vif {
85 	struct mt7603_sta sta; /* must be first */
86 
87 	u8 idx;
88 };
89 
90 enum mt7603_reset_cause {
91 	RESET_CAUSE_TX_HANG,
92 	RESET_CAUSE_TX_BUSY,
93 	RESET_CAUSE_RX_BUSY,
94 	RESET_CAUSE_BEACON_STUCK,
95 	RESET_CAUSE_RX_PSE_BUSY,
96 	RESET_CAUSE_MCU_HANG,
97 	RESET_CAUSE_RESET_FAILED,
98 	__RESET_CAUSE_MAX
99 };
100 
101 struct mt7603_dev {
102 	union { /* must be first */
103 		struct mt76_dev mt76;
104 		struct mt76_phy mphy;
105 	};
106 
107 	const struct mt76_bus_ops *bus_ops;
108 
109 	u32 rxfilter;
110 
111 	struct list_head sta_poll_list;
112 	spinlock_t sta_poll_lock;
113 
114 	struct mt7603_sta global_sta;
115 
116 	u32 agc0, agc3;
117 	u32 false_cca_ofdm, false_cca_cck;
118 	unsigned long last_cca_adj;
119 
120 	u32 ampdu_ref;
121 	__le32 rx_ampdu_ts;
122 	u8 rssi_offset[3];
123 
124 	u8 slottime;
125 	s16 coverage_class;
126 
127 	s8 tx_power_limit;
128 
129 	ktime_t ed_time;
130 
131 	spinlock_t ps_lock;
132 
133 	u8 mac_work_count;
134 
135 	u8 mcu_running;
136 
137 	u8 ed_monitor_enabled;
138 	u8 ed_monitor;
139 	s8 ed_trigger;
140 	u8 ed_strict_mode;
141 	u8 ed_strong_signal;
142 
143 	bool dynamic_sensitivity;
144 	s8 sensitivity;
145 	u8 sensitivity_limit;
146 
147 	u8 beacon_check;
148 	u8 tx_hang_check;
149 	u8 tx_dma_check;
150 	u8 rx_dma_check;
151 	u8 rx_pse_check;
152 	u8 mcu_hang;
153 
154 	enum mt7603_reset_cause cur_reset_cause;
155 
156 	u16 tx_dma_idx[4];
157 	u16 rx_dma_idx;
158 
159 	u32 reset_test;
160 
161 	unsigned int reset_cause[__RESET_CAUSE_MAX];
162 };
163 
164 extern const struct mt76_driver_ops mt7603_drv_ops;
165 extern const struct ieee80211_ops mt7603_ops;
166 extern struct pci_driver mt7603_pci_driver;
167 extern struct platform_driver mt76_wmac_driver;
168 
169 static inline bool is_mt7603(struct mt7603_dev *dev)
170 {
171 	return mt76xx_chip(dev) == 0x7603;
172 }
173 
174 static inline bool is_mt7628(struct mt7603_dev *dev)
175 {
176 	return mt76xx_chip(dev) == 0x7628;
177 }
178 
179 /* need offset to prevent conflict with ampdu_ack_len */
180 #define MT_RATE_DRIVER_DATA_OFFSET	4
181 
182 u32 mt7603_reg_map(struct mt7603_dev *dev, u32 addr);
183 
184 irqreturn_t mt7603_irq_handler(int irq, void *dev_instance);
185 
186 int mt7603_register_device(struct mt7603_dev *dev);
187 void mt7603_unregister_device(struct mt7603_dev *dev);
188 int mt7603_eeprom_init(struct mt7603_dev *dev);
189 int mt7603_dma_init(struct mt7603_dev *dev);
190 void mt7603_dma_cleanup(struct mt7603_dev *dev);
191 int mt7603_mcu_init(struct mt7603_dev *dev);
192 void mt7603_init_debugfs(struct mt7603_dev *dev);
193 
194 static inline void mt7603_irq_enable(struct mt7603_dev *dev, u32 mask)
195 {
196 	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
197 }
198 
199 static inline void mt7603_irq_disable(struct mt7603_dev *dev, u32 mask)
200 {
201 	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
202 }
203 
204 void mt7603_mac_reset_counters(struct mt7603_dev *dev);
205 void mt7603_mac_dma_start(struct mt7603_dev *dev);
206 void mt7603_mac_start(struct mt7603_dev *dev);
207 void mt7603_mac_stop(struct mt7603_dev *dev);
208 void mt7603_mac_work(struct work_struct *work);
209 void mt7603_mac_set_timing(struct mt7603_dev *dev);
210 void mt7603_beacon_set_timer(struct mt7603_dev *dev, int idx, int intval);
211 int mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb);
212 void mt7603_mac_add_txs(struct mt7603_dev *dev, void *data);
213 void mt7603_mac_rx_ba_reset(struct mt7603_dev *dev, void *addr, u8 tid);
214 void mt7603_mac_tx_ba_reset(struct mt7603_dev *dev, int wcid, int tid,
215 			    int ba_size);
216 void mt7603_mac_sta_poll(struct mt7603_dev *dev);
217 
218 void mt7603_pse_client_reset(struct mt7603_dev *dev);
219 
220 int mt7603_mcu_set_channel(struct mt7603_dev *dev);
221 int mt7603_mcu_set_eeprom(struct mt7603_dev *dev);
222 void mt7603_mcu_exit(struct mt7603_dev *dev);
223 
224 void mt7603_wtbl_init(struct mt7603_dev *dev, int idx, int vif,
225 		      const u8 *mac_addr);
226 void mt7603_wtbl_clear(struct mt7603_dev *dev, int idx);
227 void mt7603_wtbl_update_cap(struct mt7603_dev *dev, struct ieee80211_sta *sta);
228 void mt7603_wtbl_set_rates(struct mt7603_dev *dev, struct mt7603_sta *sta,
229 			   struct ieee80211_tx_rate *probe_rate,
230 			   struct ieee80211_tx_rate *rates);
231 int mt7603_wtbl_set_key(struct mt7603_dev *dev, int wcid,
232 			struct ieee80211_key_conf *key);
233 void mt7603_wtbl_set_ps(struct mt7603_dev *dev, struct mt7603_sta *sta,
234 			bool enabled);
235 void mt7603_wtbl_set_smps(struct mt7603_dev *dev, struct mt7603_sta *sta,
236 			  bool enabled);
237 void mt7603_filter_tx(struct mt7603_dev *dev, int idx, bool abort);
238 
239 int mt7603_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
240 			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
241 			  struct ieee80211_sta *sta,
242 			  struct mt76_tx_info *tx_info);
243 
244 void mt7603_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
245 			    struct mt76_queue_entry *e);
246 
247 void mt7603_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
248 			 struct sk_buff *skb);
249 void mt7603_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
250 void mt7603_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
251 int mt7603_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
252 		   struct ieee80211_sta *sta);
253 void mt7603_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
254 		      struct ieee80211_sta *sta);
255 void mt7603_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
256 		       struct ieee80211_sta *sta);
257 
258 void mt7603_pre_tbtt_tasklet(unsigned long arg);
259 
260 void mt7603_update_channel(struct mt76_dev *mdev);
261 
262 void mt7603_edcca_set_strict(struct mt7603_dev *dev, bool val);
263 void mt7603_cca_stats_reset(struct mt7603_dev *dev);
264 
265 void mt7603_init_edcca(struct mt7603_dev *dev);
266 #endif
267