1 /* SPDX-License-Identifier: ISC */
2 /*
3  * Copyright (C) 2022 MediaTek Inc.
4  */
5 
6 #ifndef __MT7996_H
7 #define __MT7996_H
8 
9 #include <linux/interrupt.h>
10 #include <linux/ktime.h>
11 #include "../mt76_connac.h"
12 #include "regs.h"
13 
14 #define MT7996_MAX_INTERFACES		19
15 #define MT7996_MAX_WMM_SETS		4
16 #define MT7996_WTBL_SIZE		544
17 #define MT7996_WTBL_RESERVED		(MT7996_WTBL_SIZE - 1)
18 #define MT7996_WTBL_STA			(MT7996_WTBL_RESERVED - \
19 					 MT7996_MAX_INTERFACES)
20 
21 #define MT7996_WATCHDOG_TIME		(HZ / 10)
22 #define MT7996_RESET_TIMEOUT		(30 * HZ)
23 
24 #define MT7996_TX_RING_SIZE		2048
25 #define MT7996_TX_MCU_RING_SIZE		256
26 #define MT7996_TX_FWDL_RING_SIZE	128
27 
28 #define MT7996_RX_RING_SIZE		1536
29 #define MT7996_RX_MCU_RING_SIZE		512
30 
31 #define MT7996_FIRMWARE_WA		"mediatek/mt7996/mt7996_wa.bin"
32 #define MT7996_FIRMWARE_WM		"mediatek/mt7996/mt7996_wm.bin"
33 #define MT7996_ROM_PATCH		"mediatek/mt7996/mt7996_rom_patch.bin"
34 
35 #define MT7996_EEPROM_DEFAULT		"mediatek/mt7996/mt7996_eeprom.bin"
36 #define MT7996_EEPROM_SIZE		7680
37 #define MT7996_EEPROM_BLOCK_SIZE	16
38 #define MT7996_TOKEN_SIZE		8192
39 
40 #define MT7996_CFEND_RATE_DEFAULT	0x49	/* OFDM 24M */
41 #define MT7996_CFEND_RATE_11B		0x03	/* 11B LP, 11M */
42 
43 #define MT7996_MAX_TWT_AGRT		16
44 #define MT7996_MAX_STA_TWT_AGRT		8
45 #define MT7996_MAX_QUEUE		(__MT_RXQ_MAX +	__MT_MCUQ_MAX + 3)
46 
47 struct mt7996_vif;
48 struct mt7996_sta;
49 struct mt7996_dfs_pulse;
50 struct mt7996_dfs_pattern;
51 
52 enum mt7996_txq_id {
53 	MT7996_TXQ_FWDL = 16,
54 	MT7996_TXQ_MCU_WM,
55 	MT7996_TXQ_BAND0,
56 	MT7996_TXQ_BAND1,
57 	MT7996_TXQ_MCU_WA,
58 	MT7996_TXQ_BAND2,
59 };
60 
61 enum mt7996_rxq_id {
62 	MT7996_RXQ_MCU_WM = 0,
63 	MT7996_RXQ_MCU_WA,
64 	MT7996_RXQ_MCU_WA_MAIN = 2,
65 	MT7996_RXQ_MCU_WA_EXT = 2,/* unused */
66 	MT7996_RXQ_MCU_WA_TRI = 3,
67 	MT7996_RXQ_BAND0 = 4,
68 	MT7996_RXQ_BAND1 = 4,/* unused */
69 	MT7996_RXQ_BAND2 = 5,
70 };
71 
72 struct mt7996_twt_flow {
73 	struct list_head list;
74 	u64 start_tsf;
75 	u64 tsf;
76 	u32 duration;
77 	u16 wcid;
78 	__le16 mantissa;
79 	u8 exp;
80 	u8 table_id;
81 	u8 id;
82 	u8 protection:1;
83 	u8 flowtype:1;
84 	u8 trigger:1;
85 	u8 sched:1;
86 };
87 
88 DECLARE_EWMA(avg_signal, 10, 8)
89 
90 struct mt7996_sta {
91 	struct mt76_wcid wcid; /* must be first */
92 
93 	struct mt7996_vif *vif;
94 
95 	struct list_head poll_list;
96 	struct list_head rc_list;
97 	u32 airtime_ac[8];
98 
99 	int ack_signal;
100 	struct ewma_avg_signal avg_ack_signal;
101 
102 	unsigned long changed;
103 	unsigned long jiffies;
104 	unsigned long ampdu_state;
105 
106 	struct mt76_sta_stats stats;
107 
108 	struct mt76_connac_sta_key_conf bip;
109 
110 	struct {
111 		u8 flowid_mask;
112 		struct mt7996_twt_flow flow[MT7996_MAX_STA_TWT_AGRT];
113 	} twt;
114 };
115 
116 struct mt7996_vif_cap {
117 	bool ht_ldpc:1;
118 	bool vht_ldpc:1;
119 	bool he_ldpc:1;
120 	bool vht_su_ebfer:1;
121 	bool vht_su_ebfee:1;
122 	bool vht_mu_ebfer:1;
123 	bool vht_mu_ebfee:1;
124 	bool he_su_ebfer:1;
125 	bool he_su_ebfee:1;
126 	bool he_mu_ebfer:1;
127 };
128 
129 struct mt7996_vif {
130 	struct mt76_vif mt76; /* must be first */
131 
132 	struct mt7996_vif_cap cap;
133 	struct mt7996_sta sta;
134 	struct mt7996_phy *phy;
135 
136 	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
137 	struct cfg80211_bitrate_mask bitrate_mask;
138 };
139 
140 /* per-phy stats.  */
141 struct mib_stats {
142 	u32 ack_fail_cnt;
143 	u32 fcs_err_cnt;
144 	u32 rts_cnt;
145 	u32 rts_retries_cnt;
146 	u32 ba_miss_cnt;
147 	u32 tx_mu_bf_cnt;
148 	u32 tx_mu_mpdu_cnt;
149 	u32 tx_mu_acked_mpdu_cnt;
150 	u32 tx_su_acked_mpdu_cnt;
151 	u32 tx_bf_ibf_ppdu_cnt;
152 	u32 tx_bf_ebf_ppdu_cnt;
153 
154 	u32 tx_bf_rx_fb_all_cnt;
155 	u32 tx_bf_rx_fb_eht_cnt;
156 	u32 tx_bf_rx_fb_he_cnt;
157 	u32 tx_bf_rx_fb_vht_cnt;
158 	u32 tx_bf_rx_fb_ht_cnt;
159 
160 	u32 tx_bf_rx_fb_bw; /* value of last sample, not cumulative */
161 	u32 tx_bf_rx_fb_nc_cnt;
162 	u32 tx_bf_rx_fb_nr_cnt;
163 	u32 tx_bf_fb_cpl_cnt;
164 	u32 tx_bf_fb_trig_cnt;
165 
166 	u32 tx_ampdu_cnt;
167 	u32 tx_stop_q_empty_cnt;
168 	u32 tx_mpdu_attempts_cnt;
169 	u32 tx_mpdu_success_cnt;
170 	/* BF counter is PPDU-based, so remove MPDU-based BF counter */
171 
172 	u32 tx_rwp_fail_cnt;
173 	u32 tx_rwp_need_cnt;
174 
175 	/* rx stats */
176 	u32 rx_fifo_full_cnt;
177 	u32 channel_idle_cnt;
178 	u32 rx_vector_mismatch_cnt;
179 	u32 rx_delimiter_fail_cnt;
180 	u32 rx_len_mismatch_cnt;
181 	u32 rx_mpdu_cnt;
182 	u32 rx_ampdu_cnt;
183 	u32 rx_ampdu_bytes_cnt;
184 	u32 rx_ampdu_valid_subframe_cnt;
185 	u32 rx_ampdu_valid_subframe_bytes_cnt;
186 	u32 rx_pfdrop_cnt;
187 	u32 rx_vec_queue_overflow_drop_cnt;
188 	u32 rx_ba_cnt;
189 
190 	u32 tx_amsdu[8];
191 	u32 tx_amsdu_cnt;
192 };
193 
194 struct mt7996_hif {
195 	struct list_head list;
196 
197 	struct device *dev;
198 	void __iomem *regs;
199 	int irq;
200 };
201 
202 struct mt7996_phy {
203 	struct mt76_phy *mt76;
204 	struct mt7996_dev *dev;
205 
206 	struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES];
207 
208 	struct ieee80211_vif *monitor_vif;
209 
210 	u32 rxfilter;
211 	u64 omac_mask;
212 
213 	u16 noise;
214 
215 	s16 coverage_class;
216 	u8 slottime;
217 
218 	u8 rdd_state;
219 
220 	u32 rx_ampdu_ts;
221 	u32 ampdu_ref;
222 
223 	struct mib_stats mib;
224 	struct mt76_channel_state state_ts;
225 };
226 
227 struct mt7996_dev {
228 	union { /* must be first */
229 		struct mt76_dev mt76;
230 		struct mt76_phy mphy;
231 	};
232 
233 	struct mt7996_hif *hif2;
234 	struct mt7996_reg_desc reg;
235 	u8 q_id[MT7996_MAX_QUEUE];
236 	u32 q_int_mask[MT7996_MAX_QUEUE];
237 	u32 q_wfdma_mask;
238 
239 	const struct mt76_bus_ops *bus_ops;
240 	struct tasklet_struct irq_tasklet;
241 	struct mt7996_phy phy;
242 
243 	/* monitor rx chain configured channel */
244 	struct cfg80211_chan_def rdd2_chandef;
245 	struct mt7996_phy *rdd2_phy;
246 
247 	u16 chainmask;
248 	u8 chainshift[__MT_MAX_BAND];
249 	u32 hif_idx;
250 
251 	struct work_struct init_work;
252 	struct work_struct rc_work;
253 	struct work_struct reset_work;
254 	wait_queue_head_t reset_wait;
255 	u32 reset_state;
256 
257 	struct list_head sta_rc_list;
258 	struct list_head sta_poll_list;
259 	struct list_head twt_list;
260 	spinlock_t sta_poll_lock;
261 
262 	u32 hw_pattern;
263 
264 	bool dbdc_support:1;
265 	bool tbtc_support:1;
266 	bool flash_mode:1;
267 
268 	bool ibf;
269 	u8 fw_debug_wm;
270 	u8 fw_debug_wa;
271 	u8 fw_debug_bin;
272 	u16 fw_debug_seq;
273 
274 	struct dentry *debugfs_dir;
275 	struct rchan *relay_fwlog;
276 
277 	struct {
278 		u8 table_mask;
279 		u8 n_agrt;
280 	} twt;
281 
282 	u32 reg_l1_backup;
283 	u32 reg_l2_backup;
284 };
285 
286 enum {
287 	WFDMA0 = 0x0,
288 	WFDMA1,
289 	WFDMA_EXT,
290 	__MT_WFDMA_MAX,
291 };
292 
293 enum {
294 	MT_CTX0,
295 	MT_HIF0 = 0x0,
296 
297 	MT_LMAC_AC00 = 0x0,
298 	MT_LMAC_AC01,
299 	MT_LMAC_AC02,
300 	MT_LMAC_AC03,
301 	MT_LMAC_ALTX0 = 0x10,
302 	MT_LMAC_BMC0,
303 	MT_LMAC_BCN0,
304 	MT_LMAC_PSMP0,
305 };
306 
307 enum {
308 	MT_RX_SEL0,
309 	MT_RX_SEL1,
310 	MT_RX_SEL2, /* monitor chain */
311 };
312 
313 enum mt7996_rdd_cmd {
314 	RDD_STOP,
315 	RDD_START,
316 	RDD_DET_MODE,
317 	RDD_RADAR_EMULATE,
318 	RDD_START_TXQ = 20,
319 	RDD_CAC_START = 50,
320 	RDD_CAC_END,
321 	RDD_NORMAL_START,
322 	RDD_DISABLE_DFS_CAL,
323 	RDD_PULSE_DBG,
324 	RDD_READ_PULSE,
325 	RDD_RESUME_BF,
326 	RDD_IRQ_OFF,
327 };
328 
329 static inline struct mt7996_phy *
330 mt7996_hw_phy(struct ieee80211_hw *hw)
331 {
332 	struct mt76_phy *phy = hw->priv;
333 
334 	return phy->priv;
335 }
336 
337 static inline struct mt7996_dev *
338 mt7996_hw_dev(struct ieee80211_hw *hw)
339 {
340 	struct mt76_phy *phy = hw->priv;
341 
342 	return container_of(phy->dev, struct mt7996_dev, mt76);
343 }
344 
345 static inline struct mt7996_phy *
346 __mt7996_phy(struct mt7996_dev *dev, enum mt76_band_id band)
347 {
348 	struct mt76_phy *phy = dev->mt76.phys[band];
349 
350 	if (!phy)
351 		return NULL;
352 
353 	return phy->priv;
354 }
355 
356 static inline struct mt7996_phy *
357 mt7996_phy2(struct mt7996_dev *dev)
358 {
359 	return __mt7996_phy(dev, MT_BAND1);
360 }
361 
362 static inline struct mt7996_phy *
363 mt7996_phy3(struct mt7996_dev *dev)
364 {
365 	return __mt7996_phy(dev, MT_BAND2);
366 }
367 
368 extern const struct ieee80211_ops mt7996_ops;
369 extern struct pci_driver mt7996_pci_driver;
370 extern struct pci_driver mt7996_hif_driver;
371 
372 struct mt7996_dev *mt7996_mmio_probe(struct device *pdev,
373 				     void __iomem *mem_base, u32 device_id);
374 void mt7996_wfsys_reset(struct mt7996_dev *dev);
375 irqreturn_t mt7996_irq_handler(int irq, void *dev_instance);
376 u64 __mt7996_get_tsf(struct ieee80211_hw *hw, struct mt7996_vif *mvif);
377 int mt7996_register_device(struct mt7996_dev *dev);
378 void mt7996_unregister_device(struct mt7996_dev *dev);
379 int mt7996_eeprom_init(struct mt7996_dev *dev);
380 int mt7996_eeprom_parse_hw_cap(struct mt7996_dev *dev, struct mt7996_phy *phy);
381 int mt7996_eeprom_get_target_power(struct mt7996_dev *dev,
382 				   struct ieee80211_channel *chan);
383 s8 mt7996_eeprom_get_power_delta(struct mt7996_dev *dev, int band);
384 int mt7996_dma_init(struct mt7996_dev *dev);
385 void mt7996_dma_prefetch(struct mt7996_dev *dev);
386 void mt7996_dma_cleanup(struct mt7996_dev *dev);
387 int mt7996_mcu_init(struct mt7996_dev *dev);
388 int mt7996_mcu_twt_agrt_update(struct mt7996_dev *dev,
389 			       struct mt7996_vif *mvif,
390 			       struct mt7996_twt_flow *flow,
391 			       int cmd);
392 int mt7996_mcu_add_dev_info(struct mt7996_phy *phy,
393 			    struct ieee80211_vif *vif, bool enable);
394 int mt7996_mcu_add_bss_info(struct mt7996_phy *phy,
395 			    struct ieee80211_vif *vif, int enable);
396 int mt7996_mcu_add_sta(struct mt7996_dev *dev, struct ieee80211_vif *vif,
397 		       struct ieee80211_sta *sta, bool enable);
398 int mt7996_mcu_add_tx_ba(struct mt7996_dev *dev,
399 			 struct ieee80211_ampdu_params *params,
400 			 bool add);
401 int mt7996_mcu_add_rx_ba(struct mt7996_dev *dev,
402 			 struct ieee80211_ampdu_params *params,
403 			 bool add);
404 int mt7996_mcu_update_bss_color(struct mt7996_dev *dev, struct ieee80211_vif *vif,
405 				struct cfg80211_he_bss_color *he_bss_color);
406 int mt7996_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
407 			  int enable);
408 int mt7996_mcu_beacon_inband_discov(struct mt7996_dev *dev,
409 				    struct ieee80211_vif *vif, u32 changed);
410 int mt7996_mcu_add_obss_spr(struct mt7996_phy *phy, struct ieee80211_vif *vif,
411 			    struct ieee80211_he_obss_pd *he_obss_pd);
412 int mt7996_mcu_add_rate_ctrl(struct mt7996_dev *dev, struct ieee80211_vif *vif,
413 			     struct ieee80211_sta *sta, bool changed);
414 int mt7996_set_channel(struct mt7996_phy *phy);
415 int mt7996_mcu_set_chan_info(struct mt7996_phy *phy, u16 tag);
416 int mt7996_mcu_set_tx(struct mt7996_dev *dev, struct ieee80211_vif *vif);
417 int mt7996_mcu_set_fixed_rate_ctrl(struct mt7996_dev *dev,
418 				   void *data, u16 version);
419 int mt7996_mcu_set_eeprom(struct mt7996_dev *dev);
420 int mt7996_mcu_get_eeprom(struct mt7996_dev *dev, u32 offset);
421 int mt7996_mcu_get_eeprom_free_block(struct mt7996_dev *dev, u8 *block_num);
422 int mt7996_mcu_set_ser(struct mt7996_dev *dev, u8 action, u8 set, u8 band);
423 int mt7996_mcu_set_txbf(struct mt7996_dev *dev, u8 action);
424 int mt7996_mcu_set_fcc5_lpn(struct mt7996_dev *dev, int val);
425 int mt7996_mcu_set_pulse_th(struct mt7996_dev *dev,
426 			    const struct mt7996_dfs_pulse *pulse);
427 int mt7996_mcu_set_radar_th(struct mt7996_dev *dev, int index,
428 			    const struct mt7996_dfs_pattern *pattern);
429 int mt7996_mcu_set_radio_en(struct mt7996_phy *phy, bool enable);
430 void mt7996_mcu_set_pm(void *priv, u8 *mac, struct ieee80211_vif *vif);
431 int mt7996_mcu_set_rts_thresh(struct mt7996_phy *phy, u32 val);
432 int mt7996_mcu_get_chan_mib_info(struct mt7996_phy *phy, bool chan_switch);
433 int mt7996_mcu_rdd_cmd(struct mt7996_dev *dev, int cmd, u8 index,
434 		       u8 rx_sel, u8 val);
435 int mt7996_mcu_rdd_background_enable(struct mt7996_phy *phy,
436 				     struct cfg80211_chan_def *chandef);
437 int mt7996_mcu_rf_regval(struct mt7996_dev *dev, u32 regidx, u32 *val, bool set);
438 int mt7996_mcu_set_hdr_trans(struct mt7996_dev *dev, bool hdr_trans);
439 int mt7996_mcu_set_rro(struct mt7996_dev *dev, u16 tag, u8 val);
440 int mt7996_mcu_wa_cmd(struct mt7996_dev *dev, int cmd, u32 a1, u32 a2, u32 a3);
441 int mt7996_mcu_fw_log_2_host(struct mt7996_dev *dev, u8 type, u8 ctrl);
442 int mt7996_mcu_fw_dbg_ctrl(struct mt7996_dev *dev, u32 module, u8 level);
443 void mt7996_mcu_rx_event(struct mt7996_dev *dev, struct sk_buff *skb);
444 void mt7996_mcu_exit(struct mt7996_dev *dev);
445 
446 void mt7996_dual_hif_set_irq_mask(struct mt7996_dev *dev, bool write_reg,
447 				  u32 clear, u32 set);
448 
449 static inline void mt7996_irq_enable(struct mt7996_dev *dev, u32 mask)
450 {
451 	if (dev->hif2)
452 		mt7996_dual_hif_set_irq_mask(dev, false, 0, mask);
453 	else
454 		mt76_set_irq_mask(&dev->mt76, 0, 0, mask);
455 
456 	tasklet_schedule(&dev->irq_tasklet);
457 }
458 
459 static inline void mt7996_irq_disable(struct mt7996_dev *dev, u32 mask)
460 {
461 	if (dev->hif2)
462 		mt7996_dual_hif_set_irq_mask(dev, true, mask, 0);
463 	else
464 		mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
465 }
466 
467 u32 mt7996_mac_wtbl_lmac_addr(struct mt7996_dev *dev, u16 wcid, u8 dw);
468 bool mt7996_mac_wtbl_update(struct mt7996_dev *dev, int idx, u32 mask);
469 void mt7996_mac_reset_counters(struct mt7996_phy *phy);
470 void mt7996_mac_cca_stats_reset(struct mt7996_phy *phy);
471 void mt7996_mac_enable_nf(struct mt7996_dev *dev, u8 band);
472 void mt7996_mac_enable_rtscts(struct mt7996_dev *dev,
473 			      struct ieee80211_vif *vif, bool enable);
474 void mt7996_mac_write_txwi(struct mt7996_dev *dev, __le32 *txwi,
475 			   struct sk_buff *skb, struct mt76_wcid *wcid, int pid,
476 			   struct ieee80211_key_conf *key, u32 changed);
477 void mt7996_mac_set_timing(struct mt7996_phy *phy);
478 int mt7996_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
479 		       struct ieee80211_sta *sta);
480 void mt7996_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
481 			   struct ieee80211_sta *sta);
482 void mt7996_mac_work(struct work_struct *work);
483 void mt7996_mac_reset_work(struct work_struct *work);
484 void mt7996_mac_sta_rc_work(struct work_struct *work);
485 void mt7996_mac_update_stats(struct mt7996_phy *phy);
486 void mt7996_mac_twt_teardown_flow(struct mt7996_dev *dev,
487 				  struct mt7996_sta *msta,
488 				  u8 flowid);
489 void mt7996_mac_add_twt_setup(struct ieee80211_hw *hw,
490 			      struct ieee80211_sta *sta,
491 			      struct ieee80211_twt_setup *twt);
492 int mt7996_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
493 			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
494 			  struct ieee80211_sta *sta,
495 			  struct mt76_tx_info *tx_info);
496 void mt7996_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
497 void mt7996_tx_token_put(struct mt7996_dev *dev);
498 void mt7996_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
499 			 struct sk_buff *skb, u32 *info);
500 bool mt7996_rx_check(struct mt76_dev *mdev, void *data, int len);
501 void mt7996_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
502 void mt7996_stats_work(struct work_struct *work);
503 int mt76_dfs_start_rdd(struct mt7996_dev *dev, bool force);
504 int mt7996_dfs_init_radar_detector(struct mt7996_phy *phy);
505 void mt7996_set_stream_he_caps(struct mt7996_phy *phy);
506 void mt7996_set_stream_vht_txbf_caps(struct mt7996_phy *phy);
507 void mt7996_update_channel(struct mt76_phy *mphy);
508 int mt7996_init_debugfs(struct mt7996_phy *phy);
509 void mt7996_debugfs_rx_fw_monitor(struct mt7996_dev *dev, const void *data, int len);
510 bool mt7996_debugfs_rx_log(struct mt7996_dev *dev, const void *data, int len);
511 int mt7996_mcu_add_key(struct mt76_dev *dev, struct ieee80211_vif *vif,
512 		       struct mt76_connac_sta_key_conf *sta_key_conf,
513 		       struct ieee80211_key_conf *key, int mcu_cmd,
514 		       struct mt76_wcid *wcid, enum set_key_cmd cmd);
515 int mt7996_mcu_wtbl_update_hdr_trans(struct mt7996_dev *dev,
516 				     struct ieee80211_vif *vif,
517 				     struct ieee80211_sta *sta);
518 #ifdef CONFIG_MAC80211_DEBUGFS
519 void mt7996_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
520 			    struct ieee80211_sta *sta, struct dentry *dir);
521 #endif
522 
523 #endif
524