1 /* SPDX-License-Identifier: ISC */
2 /* Copyright (C) 2019 MediaTek Inc. */
3 
4 #ifndef __MT7615_H
5 #define __MT7615_H
6 
7 #include <linux/interrupt.h>
8 #include <linux/ktime.h>
9 #include "../mt76.h"
10 #include "regs.h"
11 
12 #define MT7615_MAX_INTERFACES		4
13 #define MT7615_MAX_WMM_SETS		4
14 #define MT7615_WTBL_SIZE		128
15 #define MT7615_WTBL_RESERVED		(MT7615_WTBL_SIZE - 1)
16 #define MT7615_WTBL_STA			(MT7615_WTBL_RESERVED - \
17 					 MT7615_MAX_INTERFACES)
18 
19 #define MT7615_WATCHDOG_TIME		(HZ / 10)
20 #define MT7615_RATE_RETRY		2
21 
22 #define MT7615_TX_RING_SIZE		1024
23 #define MT7615_TX_MCU_RING_SIZE		128
24 #define MT7615_TX_FWDL_RING_SIZE	128
25 
26 #define MT7615_RX_RING_SIZE		1024
27 #define MT7615_RX_MCU_RING_SIZE		512
28 
29 #define MT7615_FIRMWARE_CR4		"mediatek/mt7615_cr4.bin"
30 #define MT7615_FIRMWARE_N9		"mediatek/mt7615_n9.bin"
31 #define MT7615_ROM_PATCH		"mediatek/mt7615_rom_patch.bin"
32 
33 #define MT7615_EEPROM_SIZE		1024
34 #define MT7615_TOKEN_SIZE		4096
35 
36 #define MT_FRAC_SCALE		12
37 #define MT_FRAC(val, div)	(((val) << MT_FRAC_SCALE) / (div))
38 
39 struct mt7615_vif;
40 struct mt7615_sta;
41 
42 enum mt7615_hw_txq_id {
43 	MT7615_TXQ_MAIN,
44 	MT7615_TXQ_EXT,
45 	MT7615_TXQ_MCU,
46 	MT7615_TXQ_FWDL,
47 };
48 
49 struct mt7615_rate_set {
50 	struct ieee80211_tx_rate probe_rate;
51 	struct ieee80211_tx_rate rates[4];
52 };
53 
54 struct mt7615_sta {
55 	struct mt76_wcid wcid; /* must be first */
56 
57 	struct mt7615_vif *vif;
58 
59 	struct list_head poll_list;
60 	u32 airtime_ac[8];
61 
62 	struct ieee80211_tx_rate rates[4];
63 
64 	struct mt7615_rate_set rateset[2];
65 	u32 rate_set_tsf;
66 
67 	u8 rate_count;
68 	u8 n_rates;
69 
70 	u8 rate_probe;
71 };
72 
73 struct mt7615_vif {
74 	u8 idx;
75 	u8 omac_idx;
76 	u8 band_idx;
77 	u8 wmm_idx;
78 
79 	struct mt7615_sta sta;
80 };
81 
82 struct mt7615_dev {
83 	struct mt76_dev mt76; /* must be first */
84 	u32 vif_mask;
85 	u32 omac_mask;
86 
87 	__le32 rx_ampdu_ts;
88 
89 	struct list_head sta_poll_list;
90 	spinlock_t sta_poll_lock;
91 
92 	struct {
93 		u8 n_pulses;
94 		u32 period;
95 		u16 width;
96 		s16 power;
97 	} radar_pattern;
98 	u32 hw_pattern;
99 	int dfs_state;
100 
101 	int false_cca_ofdm, false_cca_cck;
102 	unsigned long last_cca_adj;
103 	u8 mac_work_count;
104 	s8 ofdm_sensitivity;
105 	s8 cck_sensitivity;
106 	bool scs_en;
107 
108 	spinlock_t token_lock;
109 	struct idr token;
110 };
111 
112 enum {
113 	HW_BSSID_0 = 0x0,
114 	HW_BSSID_1,
115 	HW_BSSID_2,
116 	HW_BSSID_3,
117 	HW_BSSID_MAX,
118 	EXT_BSSID_START = 0x10,
119 	EXT_BSSID_1,
120 	EXT_BSSID_2,
121 	EXT_BSSID_3,
122 	EXT_BSSID_4,
123 	EXT_BSSID_5,
124 	EXT_BSSID_6,
125 	EXT_BSSID_7,
126 	EXT_BSSID_8,
127 	EXT_BSSID_9,
128 	EXT_BSSID_10,
129 	EXT_BSSID_11,
130 	EXT_BSSID_12,
131 	EXT_BSSID_13,
132 	EXT_BSSID_14,
133 	EXT_BSSID_15,
134 	EXT_BSSID_END
135 };
136 
137 enum {
138 	MT_HW_RDD0,
139 	MT_HW_RDD1,
140 };
141 
142 enum {
143 	MT_RX_SEL0,
144 	MT_RX_SEL1,
145 };
146 
147 enum mt7615_rdd_cmd {
148 	RDD_STOP,
149 	RDD_START,
150 	RDD_DET_MODE,
151 	RDD_DET_STOP,
152 	RDD_CAC_START,
153 	RDD_CAC_END,
154 	RDD_NORMAL_START,
155 	RDD_DISABLE_DFS_CAL,
156 	RDD_PULSE_DBG,
157 	RDD_READ_PULSE,
158 	RDD_RESUME_BF,
159 };
160 
161 extern const struct ieee80211_ops mt7615_ops;
162 extern struct pci_driver mt7615_pci_driver;
163 
164 u32 mt7615_reg_map(struct mt7615_dev *dev, u32 addr);
165 
166 int mt7615_register_device(struct mt7615_dev *dev);
167 void mt7615_unregister_device(struct mt7615_dev *dev);
168 int mt7615_eeprom_init(struct mt7615_dev *dev);
169 int mt7615_eeprom_get_power_index(struct mt7615_dev *dev,
170 				  struct ieee80211_channel *chan,
171 				  u8 chain_idx);
172 int mt7615_dma_init(struct mt7615_dev *dev);
173 void mt7615_dma_cleanup(struct mt7615_dev *dev);
174 int mt7615_mcu_init(struct mt7615_dev *dev);
175 int mt7615_mcu_set_dev_info(struct mt7615_dev *dev,
176 			    struct ieee80211_vif *vif, bool enable);
177 int mt7615_mcu_set_bss_info(struct mt7615_dev *dev, struct ieee80211_vif *vif,
178 			    int en);
179 void mt7615_mac_set_rates(struct mt7615_dev *dev, struct mt7615_sta *sta,
180 			  struct ieee80211_tx_rate *probe_rate,
181 			  struct ieee80211_tx_rate *rates);
182 int mt7615_mcu_wtbl_bmc(struct mt7615_dev *dev, struct ieee80211_vif *vif,
183 			bool enable);
184 int mt7615_mcu_add_wtbl(struct mt7615_dev *dev, struct ieee80211_vif *vif,
185 			struct ieee80211_sta *sta);
186 int mt7615_mcu_del_wtbl(struct mt7615_dev *dev, struct ieee80211_sta *sta);
187 int mt7615_mcu_del_wtbl_all(struct mt7615_dev *dev);
188 int mt7615_mcu_set_sta_rec_bmc(struct mt7615_dev *dev,
189 			       struct ieee80211_vif *vif, bool en);
190 int mt7615_mcu_set_sta_rec(struct mt7615_dev *dev, struct ieee80211_vif *vif,
191 			   struct ieee80211_sta *sta, bool en);
192 int mt7615_mcu_set_bcn(struct mt7615_dev *dev, struct ieee80211_vif *vif,
193 		       int en);
194 int mt7615_mcu_set_channel(struct mt7615_dev *dev);
195 int mt7615_mcu_set_wmm(struct mt7615_dev *dev, u8 queue,
196 		       const struct ieee80211_tx_queue_params *params);
197 int mt7615_mcu_set_tx_ba(struct mt7615_dev *dev,
198 			 struct ieee80211_ampdu_params *params,
199 			 bool add);
200 int mt7615_mcu_set_rx_ba(struct mt7615_dev *dev,
201 			 struct ieee80211_ampdu_params *params,
202 			 bool add);
203 int mt7615_mcu_set_ht_cap(struct mt7615_dev *dev, struct ieee80211_vif *vif,
204 			  struct ieee80211_sta *sta);
205 void mt7615_mcu_rx_event(struct mt7615_dev *dev, struct sk_buff *skb);
206 int mt7615_mcu_rdd_cmd(struct mt7615_dev *dev,
207 		       enum mt7615_rdd_cmd cmd, u8 index,
208 		       u8 rx_sel, u8 val);
209 int mt7615_dfs_start_radar_detector(struct mt7615_dev *dev);
210 int mt7615_dfs_stop_radar_detector(struct mt7615_dev *dev);
211 int mt7615_mcu_rdd_send_pattern(struct mt7615_dev *dev);
212 
213 static inline bool is_mt7622(struct mt76_dev *dev)
214 {
215 	return mt76_chip(dev) == 0x7622;
216 }
217 
218 static inline void mt7615_dfs_check_channel(struct mt7615_dev *dev)
219 {
220 	enum nl80211_chan_width width = dev->mt76.chandef.width;
221 	u32 freq = dev->mt76.chandef.chan->center_freq;
222 	struct ieee80211_hw *hw = mt76_hw(dev);
223 
224 	if (hw->conf.chandef.chan->center_freq != freq ||
225 	    hw->conf.chandef.width != width)
226 		dev->dfs_state = -1;
227 }
228 
229 static inline void mt7615_irq_enable(struct mt7615_dev *dev, u32 mask)
230 {
231 	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
232 }
233 
234 static inline void mt7615_irq_disable(struct mt7615_dev *dev, u32 mask)
235 {
236 	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
237 }
238 
239 void mt7615_update_channel(struct mt76_dev *mdev);
240 bool mt7615_mac_wtbl_update(struct mt7615_dev *dev, int idx, u32 mask);
241 void mt7615_mac_reset_counters(struct mt7615_dev *dev);
242 void mt7615_mac_cca_stats_reset(struct mt7615_dev *dev);
243 void mt7615_mac_set_scs(struct mt7615_dev *dev, bool enable);
244 void mt7615_mac_sta_poll(struct mt7615_dev *dev);
245 int mt7615_mac_write_txwi(struct mt7615_dev *dev, __le32 *txwi,
246 			  struct sk_buff *skb, struct mt76_wcid *wcid,
247 			  struct ieee80211_sta *sta, int pid,
248 			  struct ieee80211_key_conf *key);
249 int mt7615_mac_fill_rx(struct mt7615_dev *dev, struct sk_buff *skb);
250 void mt7615_mac_add_txs(struct mt7615_dev *dev, void *data);
251 void mt7615_mac_tx_free(struct mt7615_dev *dev, struct sk_buff *skb);
252 int mt7615_mac_wtbl_set_key(struct mt7615_dev *dev, struct mt76_wcid *wcid,
253 			    struct ieee80211_key_conf *key,
254 			    enum set_key_cmd cmd);
255 
256 int mt7615_mcu_set_eeprom(struct mt7615_dev *dev);
257 int mt7615_mcu_init_mac(struct mt7615_dev *dev);
258 int mt7615_mcu_set_rts_thresh(struct mt7615_dev *dev, u32 val);
259 int mt7615_mcu_ctrl_pm_state(struct mt7615_dev *dev, int enter);
260 int mt7615_mcu_get_temperature(struct mt7615_dev *dev, int index);
261 int mt7615_mcu_set_tx_power(struct mt7615_dev *dev);
262 void mt7615_mcu_exit(struct mt7615_dev *dev);
263 
264 int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
265 			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
266 			  struct ieee80211_sta *sta,
267 			  struct mt76_tx_info *tx_info);
268 
269 void mt7615_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
270 			    struct mt76_queue_entry *e);
271 
272 void mt7615_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
273 			 struct sk_buff *skb);
274 void mt7615_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
275 int mt7615_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
276 		   struct ieee80211_sta *sta);
277 void mt7615_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
278 		      struct ieee80211_sta *sta);
279 void mt7615_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
280 		       struct ieee80211_sta *sta);
281 void mt7615_mac_work(struct work_struct *work);
282 void mt7615_txp_skb_unmap(struct mt76_dev *dev,
283 			  struct mt76_txwi_cache *txwi);
284 int mt76_dfs_start_rdd(struct mt7615_dev *dev, bool force);
285 int mt7615_dfs_init_radar_detector(struct mt7615_dev *dev);
286 
287 int mt7615_init_debugfs(struct mt7615_dev *dev);
288 
289 #endif
290