1 /* SPDX-License-Identifier: ISC */
2 /* Copyright (C) 2020 MediaTek Inc. */
3 
4 #ifndef __MT7915_H
5 #define __MT7915_H
6 
7 #include <linux/interrupt.h>
8 #include <linux/ktime.h>
9 #include "../mt76.h"
10 #include "regs.h"
11 
12 #define MT7915_MAX_INTERFACES		4
13 #define MT7915_MAX_WMM_SETS		4
14 #define MT7915_WTBL_SIZE		288
15 #define MT7915_WTBL_RESERVED		(MT7915_WTBL_SIZE - 1)
16 #define MT7915_WTBL_STA			(MT7915_WTBL_RESERVED - \
17 					 MT7915_MAX_INTERFACES)
18 
19 #define MT7915_WATCHDOG_TIME		(HZ / 10)
20 #define MT7915_RESET_TIMEOUT		(30 * HZ)
21 
22 #define MT7915_TX_RING_SIZE		2048
23 #define MT7915_TX_MCU_RING_SIZE		256
24 #define MT7915_TX_FWDL_RING_SIZE	128
25 
26 #define MT7915_RX_RING_SIZE		1536
27 #define MT7915_RX_MCU_RING_SIZE		512
28 
29 #define MT7915_FIRMWARE_WA		"mediatek/mt7915_wa.bin"
30 #define MT7915_FIRMWARE_WM		"mediatek/mt7915_wm.bin"
31 #define MT7915_ROM_PATCH		"mediatek/mt7915_rom_patch.bin"
32 
33 #define MT7915_EEPROM_SIZE		3584
34 #define MT7915_TOKEN_SIZE		8192
35 
36 #define MT7915_CFEND_RATE_DEFAULT	0x49	/* OFDM 24M */
37 #define MT7915_CFEND_RATE_11B		0x03	/* 11B LP, 11M */
38 #define MT7915_5G_RATE_DEFAULT		0x4b	/* OFDM 6M */
39 #define MT7915_2G_RATE_DEFAULT		0x0	/* CCK 1M */
40 
41 #define MT7915_SKU_RATE_NUM		161
42 #define MT7915_SKU_MAX_DELTA_IDX	MT7915_SKU_RATE_NUM
43 #define MT7915_SKU_TABLE_SIZE		(MT7915_SKU_RATE_NUM + 1)
44 
45 struct mt7915_vif;
46 struct mt7915_sta;
47 struct mt7915_dfs_pulse;
48 struct mt7915_dfs_pattern;
49 
50 enum mt7915_txq_id {
51 	MT7915_TXQ_FWDL = 16,
52 	MT7915_TXQ_MCU_WM,
53 	MT7915_TXQ_BAND0,
54 	MT7915_TXQ_BAND1,
55 	MT7915_TXQ_MCU_WA,
56 };
57 
58 enum mt7915_rxq_id {
59 	MT7915_RXQ_BAND0 = 0,
60 	MT7915_RXQ_BAND1,
61 	MT7915_RXQ_MCU_WM = 0,
62 	MT7915_RXQ_MCU_WA,
63 };
64 
65 enum mt7915_ampdu_state {
66 	MT7915_AGGR_STOP,
67 	MT7915_AGGR_PROGRESS,
68 	MT7915_AGGR_START,
69 	MT7915_AGGR_OPERATIONAL
70 };
71 
72 struct mt7915_sta_stats {
73 	struct rate_info prob_rate;
74 	struct rate_info tx_rate;
75 
76 	unsigned long per;
77 	unsigned long changed;
78 	unsigned long jiffies;
79 };
80 
81 struct mt7915_sta {
82 	struct mt76_wcid wcid; /* must be first */
83 
84 	struct mt7915_vif *vif;
85 
86 	struct list_head poll_list;
87 	u32 airtime_ac[8];
88 
89 	struct mt7915_sta_stats stats;
90 	struct work_struct stats_work;
91 
92 	spinlock_t ampdu_lock;
93 	enum mt7915_ampdu_state ampdu_state[IEEE80211_NUM_TIDS];
94 };
95 
96 struct mt7915_vif {
97 	u16 idx;
98 	u8 omac_idx;
99 	u8 band_idx;
100 	u8 wmm_idx;
101 
102 	struct mt7915_sta sta;
103 	struct mt7915_dev *dev;
104 
105 	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
106 };
107 
108 struct mib_stats {
109 	u16 ack_fail_cnt;
110 	u16 fcs_err_cnt;
111 	u16 rts_cnt;
112 	u16 rts_retries_cnt;
113 	u16 ba_miss_cnt;
114 };
115 
116 struct mt7915_phy {
117 	struct mt76_phy *mt76;
118 	struct mt7915_dev *dev;
119 
120 	struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES];
121 
122 	u32 rxfilter;
123 	u32 omac_mask;
124 
125 	u16 noise;
126 	u16 chainmask;
127 
128 	s16 coverage_class;
129 	u8 slottime;
130 
131 	u8 rdd_state;
132 	int dfs_state;
133 
134 	__le32 rx_ampdu_ts;
135 	u32 ampdu_ref;
136 
137 	struct mib_stats mib;
138 
139 	struct delayed_work mac_work;
140 	u8 mac_work_count;
141 };
142 
143 struct mt7915_dev {
144 	union { /* must be first */
145 		struct mt76_dev mt76;
146 		struct mt76_phy mphy;
147 	};
148 
149 	struct mt7915_phy phy;
150 
151 	u16 chainmask;
152 
153 	struct work_struct init_work;
154 	struct work_struct reset_work;
155 	wait_queue_head_t reset_wait;
156 	u32 reset_state;
157 
158 	struct list_head sta_poll_list;
159 	spinlock_t sta_poll_lock;
160 
161 	u32 hw_pattern;
162 
163 	spinlock_t token_lock;
164 	struct idr token;
165 
166 	s8 **rate_power; /* TODO: use mt76_rate_power */
167 
168 	bool fw_debug;
169 };
170 
171 enum {
172 	HW_BSSID_0 = 0x0,
173 	HW_BSSID_1,
174 	HW_BSSID_2,
175 	HW_BSSID_3,
176 	HW_BSSID_MAX,
177 	EXT_BSSID_START = 0x10,
178 	EXT_BSSID_1,
179 	EXT_BSSID_2,
180 	EXT_BSSID_3,
181 	EXT_BSSID_4,
182 	EXT_BSSID_5,
183 	EXT_BSSID_6,
184 	EXT_BSSID_7,
185 	EXT_BSSID_8,
186 	EXT_BSSID_9,
187 	EXT_BSSID_10,
188 	EXT_BSSID_11,
189 	EXT_BSSID_12,
190 	EXT_BSSID_13,
191 	EXT_BSSID_14,
192 	EXT_BSSID_15,
193 	EXT_BSSID_END
194 };
195 
196 enum {
197 	MT_LMAC_AC00,
198 	MT_LMAC_AC01,
199 	MT_LMAC_AC02,
200 	MT_LMAC_AC03,
201 	MT_LMAC_ALTX0 = 0x10,
202 	MT_LMAC_BMC0,
203 	MT_LMAC_BCN0,
204 };
205 
206 enum {
207 	MT_RX_SEL0,
208 	MT_RX_SEL1,
209 };
210 
211 enum mt7915_rdd_cmd {
212 	RDD_STOP,
213 	RDD_START,
214 	RDD_DET_MODE,
215 	RDD_RADAR_EMULATE,
216 	RDD_START_TXQ = 20,
217 	RDD_CAC_START = 50,
218 	RDD_CAC_END,
219 	RDD_NORMAL_START,
220 	RDD_DISABLE_DFS_CAL,
221 	RDD_PULSE_DBG,
222 	RDD_READ_PULSE,
223 	RDD_RESUME_BF,
224 	RDD_IRQ_OFF,
225 };
226 
227 enum {
228 	RATE_CTRL_RU_INFO,
229 	RATE_CTRL_FIXED_RATE_INFO,
230 	RATE_CTRL_DUMP_INFO,
231 	RATE_CTRL_MU_INFO,
232 };
233 
234 static inline struct mt7915_phy *
235 mt7915_hw_phy(struct ieee80211_hw *hw)
236 {
237 	struct mt76_phy *phy = hw->priv;
238 
239 	return phy->priv;
240 }
241 
242 static inline struct mt7915_dev *
243 mt7915_hw_dev(struct ieee80211_hw *hw)
244 {
245 	struct mt76_phy *phy = hw->priv;
246 
247 	return container_of(phy->dev, struct mt7915_dev, mt76);
248 }
249 
250 static inline struct mt7915_phy *
251 mt7915_ext_phy(struct mt7915_dev *dev)
252 {
253 	struct mt76_phy *phy = dev->mt76.phy2;
254 
255 	if (!phy)
256 		return NULL;
257 
258 	return phy->priv;
259 }
260 
261 static inline u8 mt7915_lmac_mapping(struct mt7915_dev *dev, u8 ac)
262 {
263 	static const u8 lmac_queue_map[] = {
264 		[IEEE80211_AC_BK] = MT_LMAC_AC00,
265 		[IEEE80211_AC_BE] = MT_LMAC_AC01,
266 		[IEEE80211_AC_VI] = MT_LMAC_AC02,
267 		[IEEE80211_AC_VO] = MT_LMAC_AC03,
268 	};
269 
270 	if (WARN_ON_ONCE(ac >= ARRAY_SIZE(lmac_queue_map)))
271 		return MT_LMAC_AC01; /* BE */
272 
273 	return lmac_queue_map[ac];
274 }
275 
276 static inline void
277 mt7915_set_aggr_state(struct mt7915_sta *msta, u8 tid,
278 		      enum mt7915_ampdu_state state)
279 {
280 	spin_lock_bh(&msta->ampdu_lock);
281 	msta->ampdu_state[tid] = state;
282 	spin_unlock_bh(&msta->ampdu_lock);
283 }
284 
285 extern const struct ieee80211_ops mt7915_ops;
286 extern struct pci_driver mt7915_pci_driver;
287 
288 u32 mt7915_reg_map(struct mt7915_dev *dev, u32 addr);
289 
290 int mt7915_register_device(struct mt7915_dev *dev);
291 void mt7915_unregister_device(struct mt7915_dev *dev);
292 int mt7915_register_ext_phy(struct mt7915_dev *dev);
293 void mt7915_unregister_ext_phy(struct mt7915_dev *dev);
294 int mt7915_eeprom_init(struct mt7915_dev *dev);
295 u32 mt7915_eeprom_read(struct mt7915_dev *dev, u32 offset);
296 int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
297 				   struct ieee80211_channel *chan,
298 				   u8 chain_idx);
299 void mt7915_eeprom_init_sku(struct mt7915_dev *dev);
300 int mt7915_dma_init(struct mt7915_dev *dev);
301 void mt7915_dma_prefetch(struct mt7915_dev *dev);
302 void mt7915_dma_cleanup(struct mt7915_dev *dev);
303 int mt7915_mcu_init(struct mt7915_dev *dev);
304 int mt7915_mcu_add_dev_info(struct mt7915_dev *dev,
305 			    struct ieee80211_vif *vif, bool enable);
306 int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
307 			    struct ieee80211_vif *vif, int enable);
308 int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
309 		       struct ieee80211_sta *sta, bool enable);
310 int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
311 			   struct ieee80211_sta *sta, bool enable);
312 int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
313 			 struct ieee80211_ampdu_params *params,
314 			 bool add);
315 int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
316 			 struct ieee80211_ampdu_params *params,
317 			 bool add);
318 int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
319 		       struct mt7915_sta *msta, struct ieee80211_key_conf *key,
320 		       enum set_key_cmd cmd);
321 int mt7915_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
322 			  int enable);
323 int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif,
324                             bool enable);
325 int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
326 			     struct ieee80211_sta *sta);
327 int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
328 			struct ieee80211_sta *sta);
329 int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd);
330 int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif);
331 int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
332 			      struct ieee80211_sta *sta, u32 rate);
333 int mt7915_mcu_set_eeprom(struct mt7915_dev *dev);
334 int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset);
335 int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable,
336 		       bool hdr_trans);
337 int mt7915_mcu_set_scs(struct mt7915_dev *dev, u8 band, bool enable);
338 int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band);
339 int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val);
340 int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter);
341 int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable);
342 int mt7915_mcu_set_sku(struct mt7915_phy *phy);
343 int mt7915_mcu_set_txbf_type(struct mt7915_dev *dev);
344 int mt7915_mcu_set_txbf_sounding(struct mt7915_dev *dev);
345 int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val);
346 int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
347 			    const struct mt7915_dfs_pulse *pulse);
348 int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
349 			    const struct mt7915_dfs_pattern *pattern);
350 int mt7915_mcu_get_rate_info(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx);
351 int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index);
352 int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev, enum mt7915_rdd_cmd cmd,
353 		       u8 index, u8 rx_sel, u8 val);
354 int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl);
355 int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level);
356 void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb);
357 void mt7915_mcu_exit(struct mt7915_dev *dev);
358 
359 static inline bool is_mt7915(struct mt76_dev *dev)
360 {
361 	return mt76_chip(dev) == 0x7915;
362 }
363 
364 static inline void mt7915_irq_enable(struct mt7915_dev *dev, u32 mask)
365 {
366 	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
367 }
368 
369 static inline void mt7915_irq_disable(struct mt7915_dev *dev, u32 mask)
370 {
371 	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
372 }
373 
374 static inline u32
375 mt7915_reg_map_l1(struct mt7915_dev *dev, u32 addr)
376 {
377 	u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
378 	u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
379 
380 	mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
381 	/* use read to push write */
382 	mt76_rr(dev, MT_HIF_REMAP_L1);
383 
384 	return MT_HIF_REMAP_BASE_L1 + offset;
385 }
386 
387 static inline u32
388 mt7915_l1_rr(struct mt7915_dev *dev, u32 addr)
389 {
390 	return mt76_rr(dev, mt7915_reg_map_l1(dev, addr));
391 }
392 
393 static inline void
394 mt7915_l1_wr(struct mt7915_dev *dev, u32 addr, u32 val)
395 {
396 	mt76_wr(dev, mt7915_reg_map_l1(dev, addr), val);
397 }
398 
399 static inline u32
400 mt7915_l1_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
401 {
402 	val |= mt7915_l1_rr(dev, addr) & ~mask;
403 	mt7915_l1_wr(dev, addr, val);
404 
405 	return val;
406 }
407 
408 #define mt7915_l1_set(dev, addr, val)	mt7915_l1_rmw(dev, addr, 0, val)
409 #define mt7915_l1_clear(dev, addr, val)	mt7915_l1_rmw(dev, addr, val, 0)
410 
411 static inline u32
412 mt7915_reg_map_l2(struct mt7915_dev *dev, u32 addr)
413 {
414 	u32 offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET, addr);
415 	u32 base = FIELD_GET(MT_HIF_REMAP_L2_BASE, addr);
416 
417 	mt76_rmw_field(dev, MT_HIF_REMAP_L2, MT_HIF_REMAP_L2_MASK, base);
418 	/* use read to push write */
419 	mt76_rr(dev, MT_HIF_REMAP_L2);
420 
421 	return MT_HIF_REMAP_BASE_L2 + offset;
422 }
423 
424 static inline u32
425 mt7915_l2_rr(struct mt7915_dev *dev, u32 addr)
426 {
427 	return mt76_rr(dev, mt7915_reg_map_l2(dev, addr));
428 }
429 
430 static inline void
431 mt7915_l2_wr(struct mt7915_dev *dev, u32 addr, u32 val)
432 {
433 	mt76_wr(dev, mt7915_reg_map_l2(dev, addr), val);
434 }
435 
436 static inline u32
437 mt7915_l2_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
438 {
439 	val |= mt7915_l2_rr(dev, addr) & ~mask;
440 	mt7915_l2_wr(dev, addr, val);
441 
442 	return val;
443 }
444 
445 #define mt7915_l2_set(dev, addr, val)	mt7915_l2_rmw(dev, addr, 0, val)
446 #define mt7915_l2_clear(dev, addr, val)	mt7915_l2_rmw(dev, addr, val, 0)
447 
448 bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask);
449 void mt7915_mac_reset_counters(struct mt7915_phy *phy);
450 void mt7915_mac_cca_stats_reset(struct mt7915_phy *phy);
451 void mt7915_mac_sta_poll(struct mt7915_dev *dev);
452 void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
453 			   struct sk_buff *skb, struct mt76_wcid *wcid,
454 			   struct ieee80211_key_conf *key, bool beacon);
455 void mt7915_mac_set_timing(struct mt7915_phy *phy);
456 int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb);
457 void mt7915_mac_tx_free(struct mt7915_dev *dev, struct sk_buff *skb);
458 int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
459 		       struct ieee80211_sta *sta);
460 void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
461 			   struct ieee80211_sta *sta);
462 void mt7915_mac_work(struct work_struct *work);
463 void mt7915_mac_reset_work(struct work_struct *work);
464 void mt7915_mac_sta_stats_work(struct work_struct *work);
465 int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
466 			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
467 			  struct ieee80211_sta *sta,
468 			  struct mt76_tx_info *tx_info);
469 void mt7915_tx_complete_skb(struct mt76_dev *mdev, enum mt76_txq_id qid,
470 			    struct mt76_queue_entry *e);
471 void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
472 			 struct sk_buff *skb);
473 void mt7915_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
474 void mt7915_stats_work(struct work_struct *work);
475 void mt7915_txp_skb_unmap(struct mt76_dev *dev,
476 			  struct mt76_txwi_cache *txwi);
477 int mt76_dfs_start_rdd(struct mt7915_dev *dev, bool force);
478 int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy);
479 void mt7915_set_stream_he_caps(struct mt7915_phy *phy);
480 void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy);
481 void mt7915_update_channel(struct mt76_dev *mdev);
482 int mt7915_init_debugfs(struct mt7915_dev *dev);
483 #ifdef CONFIG_MAC80211_DEBUGFS
484 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
485 			    struct ieee80211_sta *sta, struct dentry *dir);
486 #endif
487 
488 #endif
489