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 };
65 
66 struct mt7915_sta_stats {
67 	struct rate_info prob_rate;
68 	struct rate_info tx_rate;
69 
70 	unsigned long per;
71 	unsigned long changed;
72 	unsigned long jiffies;
73 };
74 
75 struct mt7915_sta {
76 	struct mt76_wcid wcid; /* must be first */
77 
78 	struct mt7915_vif *vif;
79 
80 	struct list_head stats_list;
81 	struct list_head poll_list;
82 	struct list_head rc_list;
83 	u32 airtime_ac[8];
84 
85 	struct mt7915_sta_stats stats;
86 
87 	unsigned long ampdu_state;
88 };
89 
90 struct mt7915_vif {
91 	u16 idx;
92 	u8 omac_idx;
93 	u8 band_idx;
94 	u8 wmm_idx;
95 
96 	struct mt7915_sta sta;
97 	struct mt7915_phy *phy;
98 
99 	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
100 };
101 
102 struct mib_stats {
103 	u16 ack_fail_cnt;
104 	u16 fcs_err_cnt;
105 	u16 rts_cnt;
106 	u16 rts_retries_cnt;
107 	u16 ba_miss_cnt;
108 };
109 
110 struct mt7915_phy {
111 	struct mt76_phy *mt76;
112 	struct mt7915_dev *dev;
113 
114 	struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES];
115 
116 	struct ieee80211_vif *monitor_vif;
117 
118 	u32 rxfilter;
119 	u64 omac_mask;
120 
121 	u16 noise;
122 	u16 chainmask;
123 
124 	s16 coverage_class;
125 	u8 slottime;
126 
127 	u8 rdd_state;
128 	int dfs_state;
129 
130 	__le32 rx_ampdu_ts;
131 	u32 ampdu_ref;
132 
133 	struct mib_stats mib;
134 	struct list_head stats_list;
135 
136 	struct delayed_work mac_work;
137 	u8 mac_work_count;
138 	u8 sta_work_count;
139 };
140 
141 struct mt7915_dev {
142 	union { /* must be first */
143 		struct mt76_dev mt76;
144 		struct mt76_phy mphy;
145 	};
146 
147 	const struct mt76_bus_ops *bus_ops;
148 	struct mt7915_phy phy;
149 
150 	u16 chainmask;
151 
152 	struct work_struct init_work;
153 	struct work_struct rc_work;
154 	struct work_struct reset_work;
155 	wait_queue_head_t reset_wait;
156 	u32 reset_state;
157 
158 	struct list_head sta_rc_list;
159 	struct list_head sta_poll_list;
160 	spinlock_t sta_poll_lock;
161 
162 	u32 hw_pattern;
163 
164 	spinlock_t token_lock;
165 	int token_count;
166 	struct idr token;
167 
168 	s8 **rate_power; /* TODO: use mt76_rate_power */
169 
170 	bool dbdc_support;
171 	bool fw_debug;
172 
173 #ifdef CONFIG_NL80211_TESTMODE
174 	struct {
175 		u32 *reg_backup;
176 
177 		s32 last_freq_offset;
178 		u8 last_rcpi[4];
179 		s8 last_ib_rssi[4];
180 		s8 last_wb_rssi[4];
181 		u8 last_snr;
182 
183 		u8 spe_idx;
184 	} test;
185 #endif
186 };
187 
188 enum {
189 	HW_BSSID_0 = 0x0,
190 	HW_BSSID_1,
191 	HW_BSSID_2,
192 	HW_BSSID_3,
193 	HW_BSSID_MAX = HW_BSSID_3,
194 	EXT_BSSID_START = 0x10,
195 	EXT_BSSID_1,
196 	EXT_BSSID_15 = 0x1f,
197 	EXT_BSSID_MAX = EXT_BSSID_15,
198 	REPEATER_BSSID_START = 0x20,
199 	REPEATER_BSSID_MAX = 0x3f,
200 };
201 
202 enum {
203 	MT_LMAC_AC00,
204 	MT_LMAC_AC01,
205 	MT_LMAC_AC02,
206 	MT_LMAC_AC03,
207 	MT_LMAC_ALTX0 = 0x10,
208 	MT_LMAC_BMC0,
209 	MT_LMAC_BCN0,
210 };
211 
212 enum {
213 	MT_RX_SEL0,
214 	MT_RX_SEL1,
215 };
216 
217 enum mt7915_rdd_cmd {
218 	RDD_STOP,
219 	RDD_START,
220 	RDD_DET_MODE,
221 	RDD_RADAR_EMULATE,
222 	RDD_START_TXQ = 20,
223 	RDD_CAC_START = 50,
224 	RDD_CAC_END,
225 	RDD_NORMAL_START,
226 	RDD_DISABLE_DFS_CAL,
227 	RDD_PULSE_DBG,
228 	RDD_READ_PULSE,
229 	RDD_RESUME_BF,
230 	RDD_IRQ_OFF,
231 };
232 
233 enum {
234 	RATE_CTRL_RU_INFO,
235 	RATE_CTRL_FIXED_RATE_INFO,
236 	RATE_CTRL_DUMP_INFO,
237 	RATE_CTRL_MU_INFO,
238 };
239 
240 static inline struct mt7915_phy *
241 mt7915_hw_phy(struct ieee80211_hw *hw)
242 {
243 	struct mt76_phy *phy = hw->priv;
244 
245 	return phy->priv;
246 }
247 
248 static inline struct mt7915_dev *
249 mt7915_hw_dev(struct ieee80211_hw *hw)
250 {
251 	struct mt76_phy *phy = hw->priv;
252 
253 	return container_of(phy->dev, struct mt7915_dev, mt76);
254 }
255 
256 static inline struct mt7915_phy *
257 mt7915_ext_phy(struct mt7915_dev *dev)
258 {
259 	struct mt76_phy *phy = dev->mt76.phy2;
260 
261 	if (!phy)
262 		return NULL;
263 
264 	return phy->priv;
265 }
266 
267 static inline u8 mt7915_lmac_mapping(struct mt7915_dev *dev, u8 ac)
268 {
269 	/* LMAC uses the reverse order of mac80211 AC indexes */
270 	return 3 - ac;
271 }
272 
273 extern const struct ieee80211_ops mt7915_ops;
274 extern struct pci_driver mt7915_pci_driver;
275 extern const struct mt76_testmode_ops mt7915_testmode_ops;
276 
277 u32 mt7915_reg_map(struct mt7915_dev *dev, u32 addr);
278 
279 int mt7915_register_device(struct mt7915_dev *dev);
280 void mt7915_unregister_device(struct mt7915_dev *dev);
281 int mt7915_eeprom_init(struct mt7915_dev *dev);
282 void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy);
283 int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
284 				   struct ieee80211_channel *chan,
285 				   u8 chain_idx);
286 void mt7915_eeprom_init_sku(struct mt7915_dev *dev);
287 int mt7915_dma_init(struct mt7915_dev *dev);
288 void mt7915_dma_prefetch(struct mt7915_dev *dev);
289 void mt7915_dma_cleanup(struct mt7915_dev *dev);
290 int mt7915_mcu_init(struct mt7915_dev *dev);
291 int mt7915_mcu_add_dev_info(struct mt7915_phy *phy,
292 			    struct ieee80211_vif *vif, bool enable);
293 int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
294 			    struct ieee80211_vif *vif, int enable);
295 int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
296 		       struct ieee80211_sta *sta, bool enable);
297 int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
298 			   struct ieee80211_sta *sta, bool enable);
299 int mt7915_mcu_sta_update_hdr_trans(struct mt7915_dev *dev,
300 				    struct ieee80211_vif *vif,
301 				    struct ieee80211_sta *sta);
302 int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
303 			 struct ieee80211_ampdu_params *params,
304 			 bool add);
305 int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
306 			 struct ieee80211_ampdu_params *params,
307 			 bool add);
308 int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
309 		       struct mt7915_sta *msta, struct ieee80211_key_conf *key,
310 		       enum set_key_cmd cmd);
311 int mt7915_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
312 			  int enable);
313 int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif,
314                             bool enable);
315 int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
316 			     struct ieee80211_sta *sta);
317 int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
318 			struct ieee80211_sta *sta);
319 int mt7915_set_channel(struct mt7915_phy *phy);
320 int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd);
321 int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif);
322 int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
323 			      struct ieee80211_sta *sta, u32 rate);
324 int mt7915_mcu_set_eeprom(struct mt7915_dev *dev);
325 int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset);
326 int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable,
327 		       bool hdr_trans);
328 int mt7915_mcu_set_test_param(struct mt7915_dev *dev, u8 param, bool test_mode,
329 			      u8 en);
330 int mt7915_mcu_set_scs(struct mt7915_dev *dev, u8 band, bool enable);
331 int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band);
332 int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val);
333 int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter);
334 int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable);
335 int mt7915_mcu_set_sku(struct mt7915_phy *phy);
336 int mt7915_mcu_set_txbf_type(struct mt7915_dev *dev);
337 int mt7915_mcu_set_txbf_sounding(struct mt7915_dev *dev);
338 int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val);
339 int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
340 			    const struct mt7915_dfs_pulse *pulse);
341 int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
342 			    const struct mt7915_dfs_pattern *pattern);
343 int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index);
344 int mt7915_mcu_get_tx_rate(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx);
345 int mt7915_mcu_get_rx_rate(struct mt7915_phy *phy, struct ieee80211_vif *vif,
346 			   struct ieee80211_sta *sta, struct rate_info *rate);
347 int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev, enum mt7915_rdd_cmd cmd,
348 		       u8 index, u8 rx_sel, u8 val);
349 int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl);
350 int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level);
351 void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb);
352 void mt7915_mcu_exit(struct mt7915_dev *dev);
353 
354 static inline bool is_mt7915(struct mt76_dev *dev)
355 {
356 	return mt76_chip(dev) == 0x7915;
357 }
358 
359 static inline void mt7915_irq_enable(struct mt7915_dev *dev, u32 mask)
360 {
361 	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
362 }
363 
364 static inline void mt7915_irq_disable(struct mt7915_dev *dev, u32 mask)
365 {
366 	mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
367 }
368 
369 static inline u32
370 mt7915_reg_map_l1(struct mt7915_dev *dev, u32 addr)
371 {
372 	u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
373 	u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
374 
375 	mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
376 	/* use read to push write */
377 	mt76_rr(dev, MT_HIF_REMAP_L1);
378 
379 	return MT_HIF_REMAP_BASE_L1 + offset;
380 }
381 
382 static inline u32
383 mt7915_l1_rr(struct mt7915_dev *dev, u32 addr)
384 {
385 	return mt76_rr(dev, mt7915_reg_map_l1(dev, addr));
386 }
387 
388 static inline void
389 mt7915_l1_wr(struct mt7915_dev *dev, u32 addr, u32 val)
390 {
391 	mt76_wr(dev, mt7915_reg_map_l1(dev, addr), val);
392 }
393 
394 static inline u32
395 mt7915_l1_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
396 {
397 	val |= mt7915_l1_rr(dev, addr) & ~mask;
398 	mt7915_l1_wr(dev, addr, val);
399 
400 	return val;
401 }
402 
403 #define mt7915_l1_set(dev, addr, val)	mt7915_l1_rmw(dev, addr, 0, val)
404 #define mt7915_l1_clear(dev, addr, val)	mt7915_l1_rmw(dev, addr, val, 0)
405 
406 static inline u32
407 mt7915_reg_map_l2(struct mt7915_dev *dev, u32 addr)
408 {
409 	u32 offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET, addr);
410 	u32 base = FIELD_GET(MT_HIF_REMAP_L2_BASE, addr);
411 
412 	mt76_rmw_field(dev, MT_HIF_REMAP_L2, MT_HIF_REMAP_L2_MASK, base);
413 	/* use read to push write */
414 	mt76_rr(dev, MT_HIF_REMAP_L2);
415 
416 	return MT_HIF_REMAP_BASE_L2 + offset;
417 }
418 
419 static inline u32
420 mt7915_l2_rr(struct mt7915_dev *dev, u32 addr)
421 {
422 	return mt76_rr(dev, mt7915_reg_map_l2(dev, addr));
423 }
424 
425 static inline void
426 mt7915_l2_wr(struct mt7915_dev *dev, u32 addr, u32 val)
427 {
428 	mt76_wr(dev, mt7915_reg_map_l2(dev, addr), val);
429 }
430 
431 static inline u32
432 mt7915_l2_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
433 {
434 	val |= mt7915_l2_rr(dev, addr) & ~mask;
435 	mt7915_l2_wr(dev, addr, val);
436 
437 	return val;
438 }
439 
440 #define mt7915_l2_set(dev, addr, val)	mt7915_l2_rmw(dev, addr, 0, val)
441 #define mt7915_l2_clear(dev, addr, val)	mt7915_l2_rmw(dev, addr, val, 0)
442 
443 bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask);
444 void mt7915_mac_reset_counters(struct mt7915_phy *phy);
445 void mt7915_mac_cca_stats_reset(struct mt7915_phy *phy);
446 void mt7915_mac_enable_nf(struct mt7915_dev *dev, bool ext_phy);
447 void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
448 			   struct sk_buff *skb, struct mt76_wcid *wcid,
449 			   struct ieee80211_key_conf *key, bool beacon);
450 void mt7915_mac_set_timing(struct mt7915_phy *phy);
451 int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb);
452 void mt7915_mac_fill_rx_vector(struct mt7915_dev *dev, struct sk_buff *skb);
453 void mt7915_mac_tx_free(struct mt7915_dev *dev, struct sk_buff *skb);
454 int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
455 		       struct ieee80211_sta *sta);
456 void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
457 			   struct ieee80211_sta *sta);
458 void mt7915_mac_work(struct work_struct *work);
459 void mt7915_mac_reset_work(struct work_struct *work);
460 void mt7915_mac_sta_rc_work(struct work_struct *work);
461 int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
462 			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
463 			  struct ieee80211_sta *sta,
464 			  struct mt76_tx_info *tx_info);
465 void mt7915_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
466 int mt7915_init_tx_queues(struct mt7915_phy *phy, int idx, int n_desc);
467 void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
468 			 struct sk_buff *skb);
469 void mt7915_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
470 void mt7915_stats_work(struct work_struct *work);
471 void mt7915_txp_skb_unmap(struct mt76_dev *dev,
472 			  struct mt76_txwi_cache *txwi);
473 int mt76_dfs_start_rdd(struct mt7915_dev *dev, bool force);
474 int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy);
475 void mt7915_set_stream_he_caps(struct mt7915_phy *phy);
476 void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy);
477 void mt7915_update_channel(struct mt76_dev *mdev);
478 int mt7915_init_debugfs(struct mt7915_dev *dev);
479 #ifdef CONFIG_MAC80211_DEBUGFS
480 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
481 			    struct ieee80211_sta *sta, struct dentry *dir);
482 #endif
483 
484 #endif
485