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		32
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 #define MT7915_TOKEN_FREE_THR		64
36 
37 #define MT7915_CFEND_RATE_DEFAULT	0x49	/* OFDM 24M */
38 #define MT7915_CFEND_RATE_11B		0x03	/* 11B LP, 11M */
39 #define MT7915_5G_RATE_DEFAULT		0x4b	/* OFDM 6M */
40 #define MT7915_2G_RATE_DEFAULT		0x0	/* CCK 1M */
41 
42 #define MT7915_SKU_RATE_NUM		161
43 #define MT7915_SKU_MAX_DELTA_IDX	MT7915_SKU_RATE_NUM
44 #define MT7915_SKU_TABLE_SIZE		(MT7915_SKU_RATE_NUM + 1)
45 
46 struct mt7915_vif;
47 struct mt7915_sta;
48 struct mt7915_dfs_pulse;
49 struct mt7915_dfs_pattern;
50 
51 enum mt7915_txq_id {
52 	MT7915_TXQ_FWDL = 16,
53 	MT7915_TXQ_MCU_WM,
54 	MT7915_TXQ_BAND0,
55 	MT7915_TXQ_BAND1,
56 	MT7915_TXQ_MCU_WA,
57 };
58 
59 enum mt7915_rxq_id {
60 	MT7915_RXQ_BAND0 = 0,
61 	MT7915_RXQ_BAND1,
62 	MT7915_RXQ_MCU_WM = 0,
63 	MT7915_RXQ_MCU_WA,
64 	MT7915_RXQ_MCU_WA_EXT,
65 };
66 
67 struct mt7915_sta_stats {
68 	struct rate_info prob_rate;
69 	struct rate_info tx_rate;
70 
71 	unsigned long per;
72 	unsigned long changed;
73 	unsigned long jiffies;
74 };
75 
76 struct mt7915_sta_key_conf {
77 	s8 keyidx;
78 	u8 key[16];
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 stats_list;
87 	struct list_head poll_list;
88 	struct list_head rc_list;
89 	u32 airtime_ac[8];
90 
91 	struct mt7915_sta_stats stats;
92 
93 	unsigned long ampdu_state;
94 
95 	struct mt7915_sta_key_conf bip;
96 };
97 
98 struct mt7915_vif {
99 	u16 idx;
100 	u8 omac_idx;
101 	u8 band_idx;
102 	u8 wmm_idx;
103 
104 	struct mt7915_sta sta;
105 	struct mt7915_phy *phy;
106 
107 	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
108 };
109 
110 struct mib_stats {
111 	u16 ack_fail_cnt;
112 	u16 fcs_err_cnt;
113 	u16 rts_cnt;
114 	u16 rts_retries_cnt;
115 	u16 ba_miss_cnt;
116 };
117 
118 struct mt7915_hif {
119 	struct list_head list;
120 
121 	struct device *dev;
122 	void __iomem *regs;
123 	int irq;
124 };
125 
126 struct mt7915_phy {
127 	struct mt76_phy *mt76;
128 	struct mt7915_dev *dev;
129 
130 	struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES];
131 
132 	struct ieee80211_vif *monitor_vif;
133 
134 	u32 rxfilter;
135 	u64 omac_mask;
136 
137 	u16 noise;
138 
139 	s16 coverage_class;
140 	u8 slottime;
141 
142 	u8 rdd_state;
143 	int dfs_state;
144 
145 	__le32 rx_ampdu_ts;
146 	u32 ampdu_ref;
147 
148 	struct mib_stats mib;
149 	struct list_head stats_list;
150 
151 	u8 sta_work_count;
152 
153 #ifdef CONFIG_NL80211_TESTMODE
154 	struct {
155 		u32 *reg_backup;
156 
157 		s32 last_freq_offset;
158 		u8 last_rcpi[4];
159 		s8 last_ib_rssi[4];
160 		s8 last_wb_rssi[4];
161 		u8 last_snr;
162 
163 		u8 spe_idx;
164 	} test;
165 #endif
166 };
167 
168 struct mt7915_dev {
169 	union { /* must be first */
170 		struct mt76_dev mt76;
171 		struct mt76_phy mphy;
172 	};
173 
174 	struct mt7915_hif *hif2;
175 
176 	const struct mt76_bus_ops *bus_ops;
177 	struct mt7915_phy phy;
178 
179 	u16 chainmask;
180 	u32 hif_idx;
181 
182 	struct work_struct init_work;
183 	struct work_struct rc_work;
184 	struct work_struct reset_work;
185 	wait_queue_head_t reset_wait;
186 	u32 reset_state;
187 
188 	struct list_head sta_rc_list;
189 	struct list_head sta_poll_list;
190 	spinlock_t sta_poll_lock;
191 
192 	u32 hw_pattern;
193 
194 	spinlock_t token_lock;
195 	int token_count;
196 	struct idr token;
197 
198 	s8 **rate_power; /* TODO: use mt76_rate_power */
199 
200 	bool dbdc_support;
201 	bool flash_mode;
202 	bool fw_debug;
203 	bool ibf;
204 };
205 
206 enum {
207 	HW_BSSID_0 = 0x0,
208 	HW_BSSID_1,
209 	HW_BSSID_2,
210 	HW_BSSID_3,
211 	HW_BSSID_MAX = HW_BSSID_3,
212 	EXT_BSSID_START = 0x10,
213 	EXT_BSSID_1,
214 	EXT_BSSID_15 = 0x1f,
215 	EXT_BSSID_MAX = EXT_BSSID_15,
216 	REPEATER_BSSID_START = 0x20,
217 	REPEATER_BSSID_MAX = 0x3f,
218 };
219 
220 enum {
221 	MT_LMAC_AC00,
222 	MT_LMAC_AC01,
223 	MT_LMAC_AC02,
224 	MT_LMAC_AC03,
225 	MT_LMAC_ALTX0 = 0x10,
226 	MT_LMAC_BMC0,
227 	MT_LMAC_BCN0,
228 };
229 
230 enum {
231 	MT_RX_SEL0,
232 	MT_RX_SEL1,
233 };
234 
235 enum mt7915_rdd_cmd {
236 	RDD_STOP,
237 	RDD_START,
238 	RDD_DET_MODE,
239 	RDD_RADAR_EMULATE,
240 	RDD_START_TXQ = 20,
241 	RDD_CAC_START = 50,
242 	RDD_CAC_END,
243 	RDD_NORMAL_START,
244 	RDD_DISABLE_DFS_CAL,
245 	RDD_PULSE_DBG,
246 	RDD_READ_PULSE,
247 	RDD_RESUME_BF,
248 	RDD_IRQ_OFF,
249 };
250 
251 enum {
252 	RATE_CTRL_RU_INFO,
253 	RATE_CTRL_FIXED_RATE_INFO,
254 	RATE_CTRL_DUMP_INFO,
255 	RATE_CTRL_MU_INFO,
256 };
257 
258 static inline struct mt7915_phy *
259 mt7915_hw_phy(struct ieee80211_hw *hw)
260 {
261 	struct mt76_phy *phy = hw->priv;
262 
263 	return phy->priv;
264 }
265 
266 static inline struct mt7915_dev *
267 mt7915_hw_dev(struct ieee80211_hw *hw)
268 {
269 	struct mt76_phy *phy = hw->priv;
270 
271 	return container_of(phy->dev, struct mt7915_dev, mt76);
272 }
273 
274 static inline struct mt7915_phy *
275 mt7915_ext_phy(struct mt7915_dev *dev)
276 {
277 	struct mt76_phy *phy = dev->mt76.phy2;
278 
279 	if (!phy)
280 		return NULL;
281 
282 	return phy->priv;
283 }
284 
285 static inline u8 mt7915_lmac_mapping(struct mt7915_dev *dev, u8 ac)
286 {
287 	/* LMAC uses the reverse order of mac80211 AC indexes */
288 	return 3 - ac;
289 }
290 
291 extern const struct ieee80211_ops mt7915_ops;
292 extern const struct mt76_testmode_ops mt7915_testmode_ops;
293 
294 u32 mt7915_reg_map(struct mt7915_dev *dev, u32 addr);
295 
296 int mt7915_register_device(struct mt7915_dev *dev);
297 void mt7915_unregister_device(struct mt7915_dev *dev);
298 int mt7915_eeprom_init(struct mt7915_dev *dev);
299 void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy);
300 int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
301 				   struct ieee80211_channel *chan,
302 				   u8 chain_idx);
303 void mt7915_eeprom_init_sku(struct mt7915_dev *dev);
304 int mt7915_dma_init(struct mt7915_dev *dev);
305 void mt7915_dma_prefetch(struct mt7915_dev *dev);
306 void mt7915_dma_cleanup(struct mt7915_dev *dev);
307 int mt7915_mcu_init(struct mt7915_dev *dev);
308 int mt7915_mcu_add_dev_info(struct mt7915_phy *phy,
309 			    struct ieee80211_vif *vif, bool enable);
310 int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
311 			    struct ieee80211_vif *vif, int enable);
312 int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
313 		       struct ieee80211_sta *sta, bool enable);
314 int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
315 			   struct ieee80211_sta *sta, bool enable);
316 int mt7915_mcu_sta_update_hdr_trans(struct mt7915_dev *dev,
317 				    struct ieee80211_vif *vif,
318 				    struct ieee80211_sta *sta);
319 int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
320 			 struct ieee80211_ampdu_params *params,
321 			 bool add);
322 int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
323 			 struct ieee80211_ampdu_params *params,
324 			 bool add);
325 int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
326 		       struct mt7915_sta *msta, struct ieee80211_key_conf *key,
327 		       enum set_key_cmd cmd);
328 int mt7915_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
329 			  int enable);
330 int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif,
331                             bool enable);
332 int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
333 			     struct ieee80211_sta *sta);
334 int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
335 			struct ieee80211_sta *sta);
336 int mt7915_set_channel(struct mt7915_phy *phy);
337 int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd);
338 int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif);
339 int mt7915_mcu_update_edca(struct mt7915_dev *dev, void *req);
340 int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
341 			      struct ieee80211_sta *sta, u32 rate);
342 int mt7915_mcu_set_eeprom(struct mt7915_dev *dev);
343 int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset);
344 int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable,
345 		       bool hdr_trans);
346 int mt7915_mcu_set_test_param(struct mt7915_dev *dev, u8 param, bool test_mode,
347 			      u8 en);
348 int mt7915_mcu_set_scs(struct mt7915_dev *dev, u8 band, bool enable);
349 int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band);
350 int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val);
351 int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter);
352 int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable);
353 int mt7915_mcu_set_sku(struct mt7915_phy *phy);
354 int mt7915_mcu_set_txbf_type(struct mt7915_dev *dev);
355 int mt7915_mcu_set_txbf_module(struct mt7915_dev *dev);
356 int mt7915_mcu_set_txbf_sounding(struct mt7915_dev *dev);
357 int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val);
358 int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
359 			    const struct mt7915_dfs_pulse *pulse);
360 int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
361 			    const struct mt7915_dfs_pattern *pattern);
362 int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index);
363 int mt7915_mcu_get_tx_rate(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx);
364 int mt7915_mcu_get_rx_rate(struct mt7915_phy *phy, struct ieee80211_vif *vif,
365 			   struct ieee80211_sta *sta, struct rate_info *rate);
366 int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev, enum mt7915_rdd_cmd cmd,
367 		       u8 index, u8 rx_sel, u8 val);
368 int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl);
369 int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level);
370 void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb);
371 void mt7915_mcu_exit(struct mt7915_dev *dev);
372 
373 static inline bool is_mt7915(struct mt76_dev *dev)
374 {
375 	return mt76_chip(dev) == 0x7915;
376 }
377 
378 void mt7915_dual_hif_set_irq_mask(struct mt7915_dev *dev, bool write_reg,
379 				  u32 clear, u32 set);
380 
381 static inline void mt7915_irq_enable(struct mt7915_dev *dev, u32 mask)
382 {
383 	if (dev->hif2)
384 		mt7915_dual_hif_set_irq_mask(dev, true, 0, mask);
385 	else
386 		mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
387 }
388 
389 static inline void mt7915_irq_disable(struct mt7915_dev *dev, u32 mask)
390 {
391 	if (dev->hif2)
392 		mt7915_dual_hif_set_irq_mask(dev, true, mask, 0);
393 	else
394 		mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
395 }
396 
397 static inline u32
398 mt7915_reg_map_l1(struct mt7915_dev *dev, u32 addr)
399 {
400 	u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
401 	u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
402 
403 	mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
404 	/* use read to push write */
405 	mt76_rr(dev, MT_HIF_REMAP_L1);
406 
407 	return MT_HIF_REMAP_BASE_L1 + offset;
408 }
409 
410 static inline u32
411 mt7915_l1_rr(struct mt7915_dev *dev, u32 addr)
412 {
413 	return mt76_rr(dev, mt7915_reg_map_l1(dev, addr));
414 }
415 
416 static inline void
417 mt7915_l1_wr(struct mt7915_dev *dev, u32 addr, u32 val)
418 {
419 	mt76_wr(dev, mt7915_reg_map_l1(dev, addr), val);
420 }
421 
422 static inline u32
423 mt7915_l1_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
424 {
425 	val |= mt7915_l1_rr(dev, addr) & ~mask;
426 	mt7915_l1_wr(dev, addr, val);
427 
428 	return val;
429 }
430 
431 #define mt7915_l1_set(dev, addr, val)	mt7915_l1_rmw(dev, addr, 0, val)
432 #define mt7915_l1_clear(dev, addr, val)	mt7915_l1_rmw(dev, addr, val, 0)
433 
434 static inline u32
435 mt7915_reg_map_l2(struct mt7915_dev *dev, u32 addr)
436 {
437 	u32 offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET, addr);
438 	u32 base = FIELD_GET(MT_HIF_REMAP_L2_BASE, addr);
439 
440 	mt76_rmw_field(dev, MT_HIF_REMAP_L2, MT_HIF_REMAP_L2_MASK, base);
441 	/* use read to push write */
442 	mt76_rr(dev, MT_HIF_REMAP_L2);
443 
444 	return MT_HIF_REMAP_BASE_L2 + offset;
445 }
446 
447 static inline u32
448 mt7915_l2_rr(struct mt7915_dev *dev, u32 addr)
449 {
450 	return mt76_rr(dev, mt7915_reg_map_l2(dev, addr));
451 }
452 
453 static inline void
454 mt7915_l2_wr(struct mt7915_dev *dev, u32 addr, u32 val)
455 {
456 	mt76_wr(dev, mt7915_reg_map_l2(dev, addr), val);
457 }
458 
459 static inline u32
460 mt7915_l2_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
461 {
462 	val |= mt7915_l2_rr(dev, addr) & ~mask;
463 	mt7915_l2_wr(dev, addr, val);
464 
465 	return val;
466 }
467 
468 #define mt7915_l2_set(dev, addr, val)	mt7915_l2_rmw(dev, addr, 0, val)
469 #define mt7915_l2_clear(dev, addr, val)	mt7915_l2_rmw(dev, addr, val, 0)
470 
471 bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask);
472 void mt7915_mac_reset_counters(struct mt7915_phy *phy);
473 void mt7915_mac_cca_stats_reset(struct mt7915_phy *phy);
474 void mt7915_mac_enable_nf(struct mt7915_dev *dev, bool ext_phy);
475 void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
476 			   struct sk_buff *skb, struct mt76_wcid *wcid,
477 			   struct ieee80211_key_conf *key, bool beacon);
478 void mt7915_mac_set_timing(struct mt7915_phy *phy);
479 int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb);
480 void mt7915_mac_fill_rx_vector(struct mt7915_dev *dev, struct sk_buff *skb);
481 void mt7915_mac_tx_free(struct mt7915_dev *dev, struct sk_buff *skb);
482 int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
483 		       struct ieee80211_sta *sta);
484 void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
485 			   struct ieee80211_sta *sta);
486 void mt7915_mac_work(struct work_struct *work);
487 void mt7915_mac_reset_work(struct work_struct *work);
488 void mt7915_mac_sta_rc_work(struct work_struct *work);
489 int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
490 			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
491 			  struct ieee80211_sta *sta,
492 			  struct mt76_tx_info *tx_info);
493 void mt7915_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
494 void mt7915_tx_token_put(struct mt7915_dev *dev);
495 int mt7915_init_tx_queues(struct mt7915_phy *phy, int idx, int n_desc);
496 void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
497 			 struct sk_buff *skb);
498 void mt7915_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
499 void mt7915_stats_work(struct work_struct *work);
500 void mt7915_txp_skb_unmap(struct mt76_dev *dev,
501 			  struct mt76_txwi_cache *txwi);
502 int mt76_dfs_start_rdd(struct mt7915_dev *dev, bool force);
503 int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy);
504 void mt7915_set_stream_he_caps(struct mt7915_phy *phy);
505 void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy);
506 void mt7915_update_channel(struct mt76_dev *mdev);
507 int mt7915_init_debugfs(struct mt7915_dev *dev);
508 #ifdef CONFIG_MAC80211_DEBUGFS
509 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
510 			    struct ieee80211_sta *sta, struct dentry *dir);
511 #endif
512 
513 #endif
514