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 #define MT7603_TX_RING_SIZE	256
21 #define MT7603_PSD_RING_SIZE	128
22 
23 #define MT7603_FIRMWARE_E1	"mt7603_e1.bin"
24 #define MT7603_FIRMWARE_E2	"mt7603_e2.bin"
25 #define MT7628_FIRMWARE_E1	"mt7628_e1.bin"
26 #define MT7628_FIRMWARE_E2	"mt7628_e2.bin"
27 
28 #define MT7603_EEPROM_SIZE	1024
29 
30 #define MT_AGG_SIZE_LIMIT(_n)	(((_n) + 1) * 4)
31 
32 #define MT7603_PRE_TBTT_TIME	5000 /* ms */
33 
34 #define MT7603_WATCHDOG_TIME	100 /* ms */
35 #define MT7603_WATCHDOG_TIMEOUT	10 /* number of checks */
36 
37 #define MT7603_EDCCA_BLOCK_TH	10
38 
39 #define MT7603_CFEND_RATE_DEFAULT	0x69 /* chip default (24M) */
40 #define MT7603_CFEND_RATE_11B		0x03 /* 11B LP, 11M */
41 
42 struct mt7603_vif;
43 struct mt7603_sta;
44 
45 enum {
46 	MT7603_REV_E1 = 0x00,
47 	MT7603_REV_E2 = 0x10,
48 	MT7628_REV_E1 = 0x8a00,
49 };
50 
51 enum mt7603_bw {
52 	MT_BW_20,
53 	MT_BW_40,
54 	MT_BW_80,
55 };
56 
57 struct mt7603_rate_set {
58 	struct ieee80211_tx_rate probe_rate;
59 	struct ieee80211_tx_rate rates[4];
60 };
61 
62 struct mt7603_sta {
63 	struct mt76_wcid wcid; /* must be first */
64 
65 	struct mt7603_vif *vif;
66 
67 	struct list_head poll_list;
68 	u32 tx_airtime_ac[4];
69 
70 	struct sk_buff_head psq;
71 
72 	struct ieee80211_tx_rate rates[4];
73 
74 	struct mt7603_rate_set rateset[2];
75 	u32 rate_set_tsf;
76 
77 	u8 rate_count;
78 	u8 n_rates;
79 
80 	u8 rate_probe;
81 	u8 smps;
82 
83 	u8 ps;
84 };
85 
86 struct mt7603_vif {
87 	struct mt7603_sta sta; /* must be first */
88 
89 	u8 idx;
90 };
91 
92 enum mt7603_reset_cause {
93 	RESET_CAUSE_TX_HANG,
94 	RESET_CAUSE_TX_BUSY,
95 	RESET_CAUSE_RX_BUSY,
96 	RESET_CAUSE_BEACON_STUCK,
97 	RESET_CAUSE_RX_PSE_BUSY,
98 	RESET_CAUSE_MCU_HANG,
99 	RESET_CAUSE_RESET_FAILED,
100 	__RESET_CAUSE_MAX
101 };
102 
103 struct mt7603_dev {
104 	union { /* must be first */
105 		struct mt76_dev mt76;
106 		struct mt76_phy mphy;
107 	};
108 
109 	const struct mt76_bus_ops *bus_ops;
110 
111 	u32 rxfilter;
112 
113 	struct list_head sta_poll_list;
114 	spinlock_t sta_poll_lock;
115 
116 	struct mt7603_sta global_sta;
117 
118 	u32 agc0, agc3;
119 	u32 false_cca_ofdm, false_cca_cck;
120 	unsigned long last_cca_adj;
121 
122 	u32 ampdu_ref;
123 	__le32 rx_ampdu_ts;
124 	u8 rssi_offset[3];
125 
126 	u8 slottime;
127 	s16 coverage_class;
128 
129 	s8 tx_power_limit;
130 
131 	ktime_t ed_time;
132 
133 	spinlock_t ps_lock;
134 
135 	u8 mac_work_count;
136 
137 	u8 mcu_running;
138 
139 	u8 ed_monitor_enabled;
140 	u8 ed_monitor;
141 	s8 ed_trigger;
142 	u8 ed_strict_mode;
143 	u8 ed_strong_signal;
144 
145 	bool dynamic_sensitivity;
146 	s8 sensitivity;
147 	u8 sensitivity_limit;
148 
149 	u8 beacon_check;
150 	u8 tx_hang_check;
151 	u8 tx_dma_check;
152 	u8 rx_dma_check;
153 	u8 rx_pse_check;
154 	u8 mcu_hang;
155 
156 	enum mt7603_reset_cause cur_reset_cause;
157 
158 	u16 tx_dma_idx[4];
159 	u16 rx_dma_idx;
160 
161 	u32 reset_test;
162 
163 	unsigned int reset_cause[__RESET_CAUSE_MAX];
164 };
165 
166 extern const struct mt76_driver_ops mt7603_drv_ops;
167 extern const struct ieee80211_ops mt7603_ops;
168 extern struct pci_driver mt7603_pci_driver;
169 extern struct platform_driver mt76_wmac_driver;
170 
171 static inline bool is_mt7603(struct mt7603_dev *dev)
172 {
173 	return mt76xx_chip(dev) == 0x7603;
174 }
175 
176 static inline bool is_mt7628(struct mt7603_dev *dev)
177 {
178 	return mt76xx_chip(dev) == 0x7628;
179 }
180 
181 /* need offset to prevent conflict with ampdu_ack_len */
182 #define MT_RATE_DRIVER_DATA_OFFSET	4
183 
184 u32 mt7603_reg_map(struct mt7603_dev *dev, u32 addr);
185 
186 irqreturn_t mt7603_irq_handler(int irq, void *dev_instance);
187 
188 int mt7603_register_device(struct mt7603_dev *dev);
189 void mt7603_unregister_device(struct mt7603_dev *dev);
190 int mt7603_eeprom_init(struct mt7603_dev *dev);
191 int mt7603_dma_init(struct mt7603_dev *dev);
192 void mt7603_dma_cleanup(struct mt7603_dev *dev);
193 int mt7603_mcu_init(struct mt7603_dev *dev);
194 void mt7603_init_debugfs(struct mt7603_dev *dev);
195 
196 static inline void mt7603_irq_enable(struct mt7603_dev *dev, u32 mask)
197 {
198 	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
199 }
200 
201 static inline void mt7603_irq_disable(struct mt7603_dev *dev, u32 mask)
202 {
203 	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
204 }
205 
206 void mt7603_mac_reset_counters(struct mt7603_dev *dev);
207 void mt7603_mac_dma_start(struct mt7603_dev *dev);
208 void mt7603_mac_start(struct mt7603_dev *dev);
209 void mt7603_mac_stop(struct mt7603_dev *dev);
210 void mt7603_mac_work(struct work_struct *work);
211 void mt7603_mac_set_timing(struct mt7603_dev *dev);
212 void mt7603_beacon_set_timer(struct mt7603_dev *dev, int idx, int intval);
213 int mt7603_mac_fill_rx(struct mt7603_dev *dev, struct sk_buff *skb);
214 void mt7603_mac_add_txs(struct mt7603_dev *dev, void *data);
215 void mt7603_mac_rx_ba_reset(struct mt7603_dev *dev, void *addr, u8 tid);
216 void mt7603_mac_tx_ba_reset(struct mt7603_dev *dev, int wcid, int tid,
217 			    int ba_size);
218 void mt7603_mac_sta_poll(struct mt7603_dev *dev);
219 
220 void mt7603_pse_client_reset(struct mt7603_dev *dev);
221 
222 int mt7603_mcu_set_channel(struct mt7603_dev *dev);
223 int mt7603_mcu_set_eeprom(struct mt7603_dev *dev);
224 void mt7603_mcu_exit(struct mt7603_dev *dev);
225 
226 void mt7603_wtbl_init(struct mt7603_dev *dev, int idx, int vif,
227 		      const u8 *mac_addr);
228 void mt7603_wtbl_clear(struct mt7603_dev *dev, int idx);
229 void mt7603_wtbl_update_cap(struct mt7603_dev *dev, struct ieee80211_sta *sta);
230 void mt7603_wtbl_set_rates(struct mt7603_dev *dev, struct mt7603_sta *sta,
231 			   struct ieee80211_tx_rate *probe_rate,
232 			   struct ieee80211_tx_rate *rates);
233 int mt7603_wtbl_set_key(struct mt7603_dev *dev, int wcid,
234 			struct ieee80211_key_conf *key);
235 void mt7603_wtbl_set_ps(struct mt7603_dev *dev, struct mt7603_sta *sta,
236 			bool enabled);
237 void mt7603_wtbl_set_smps(struct mt7603_dev *dev, struct mt7603_sta *sta,
238 			  bool enabled);
239 void mt7603_filter_tx(struct mt7603_dev *dev, int idx, bool abort);
240 
241 int mt7603_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
242 			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
243 			  struct ieee80211_sta *sta,
244 			  struct mt76_tx_info *tx_info);
245 
246 void mt7603_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
247 
248 void mt7603_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
249 			 struct sk_buff *skb);
250 void mt7603_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
251 void mt7603_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
252 int mt7603_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
253 		   struct ieee80211_sta *sta);
254 void mt7603_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
255 		      struct ieee80211_sta *sta);
256 void mt7603_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
257 		       struct ieee80211_sta *sta);
258 
259 void mt7603_pre_tbtt_tasklet(struct tasklet_struct *t);
260 
261 void mt7603_update_channel(struct mt76_dev *mdev);
262 
263 void mt7603_edcca_set_strict(struct mt7603_dev *dev, bool val);
264 void mt7603_cca_stats_reset(struct mt7603_dev *dev);
265 
266 void mt7603_init_edcca(struct mt7603_dev *dev);
267 #endif
268