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