xref: /linux/drivers/net/wireless/mediatek/mt76/mt792x.h (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /* SPDX-License-Identifier: ISC */
2 /* Copyright (C) 2023 MediaTek Inc. */
3 
4 #ifndef __MT792X_H
5 #define __MT792X_H
6 
7 #include <linux/interrupt.h>
8 #include <linux/ktime.h>
9 
10 #include "mt76_connac_mcu.h"
11 #include "mt792x_regs.h"
12 #include "mt792x_acpi_sar.h"
13 
14 #define MT792x_PM_TIMEOUT	(HZ / 12)
15 #define MT792x_HW_SCAN_TIMEOUT	(HZ / 10)
16 
17 #define MT792x_MAX_INTERFACES	4
18 #define MT792x_WTBL_SIZE	20
19 #define MT792x_WTBL_RESERVED	(MT792x_WTBL_SIZE - 1)
20 #define MT792x_WTBL_STA		(MT792x_WTBL_RESERVED - MT792x_MAX_INTERFACES)
21 
22 #define MT792x_CFEND_RATE_DEFAULT	0x49	/* OFDM 24M */
23 #define MT792x_CFEND_RATE_11B		0x03	/* 11B LP, 11M */
24 
25 #define MT792x_FW_TAG_FEATURE	4
26 #define MT792x_FW_CAP_CNM	BIT(7)
27 
28 #define MT792x_CHIP_CAP_CLC_EVT_EN BIT(0)
29 #define MT792x_CHIP_CAP_RSSI_NOTIFY_EVT_EN BIT(1)
30 #define MT792x_CHIP_CAP_MLO_EVT_EN BIT(2)
31 
32 /* NOTE: used to map mt76_rates. idx may change if firmware expands table */
33 #define MT792x_BASIC_RATES_TBL	11
34 
35 #define MT792x_WATCHDOG_TIME	(HZ / 4)
36 
37 #define MT792x_DRV_OWN_RETRY_COUNT	10
38 #define MT792x_MCU_INIT_RETRY_COUNT	10
39 #define MT792x_WFSYS_INIT_RETRY_COUNT	2
40 
41 #define MT7920_FIRMWARE_WM	"mediatek/WIFI_RAM_CODE_MT7961_1a.bin"
42 #define MT7921_FIRMWARE_WM	"mediatek/WIFI_RAM_CODE_MT7961_1.bin"
43 #define MT7922_FIRMWARE_WM	"mediatek/WIFI_RAM_CODE_MT7922_1.bin"
44 #define MT7925_FIRMWARE_WM	"mediatek/mt7925/WIFI_RAM_CODE_MT7925_1_1.bin"
45 
46 #define MT7920_ROM_PATCH	"mediatek/WIFI_MT7961_patch_mcu_1a_2_hdr.bin"
47 #define MT7921_ROM_PATCH	"mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin"
48 #define MT7922_ROM_PATCH	"mediatek/WIFI_MT7922_patch_mcu_1_1_hdr.bin"
49 #define MT7925_ROM_PATCH	"mediatek/mt7925/WIFI_MT7925_PATCH_MCU_1_1_hdr.bin"
50 
51 #define MT792x_SDIO_HDR_TX_BYTES	GENMASK(15, 0)
52 #define MT792x_SDIO_HDR_PKT_TYPE	GENMASK(17, 16)
53 
54 struct mt792x_vif;
55 struct mt792x_sta;
56 
57 struct mt792x_realease_info {
58 	__le16 len;
59 	u8 pad_len;
60 	u8 tag;
61 } __packed;
62 
63 struct mt792x_fw_features {
64 	u8 segment;
65 	u8 data;
66 	u8 rsv[14];
67 } __packed;
68 
69 enum {
70 	MT792x_CLC_POWER,
71 	MT792x_CLC_POWER_EXT,
72 	MT792x_CLC_MAX_NUM,
73 };
74 
75 enum mt792x_reg_power_type {
76 	MT_AP_UNSET = 0,
77 	MT_AP_DEFAULT,
78 	MT_AP_LPI,
79 	MT_AP_SP,
80 	MT_AP_VLP,
81 };
82 
83 DECLARE_EWMA(avg_signal, 10, 8)
84 
85 struct mt792x_link_sta {
86 	struct mt76_wcid wcid; /* must be first */
87 
88 	u32 airtime_ac[8];
89 
90 	int ack_signal;
91 	struct ewma_avg_signal avg_ack_signal;
92 
93 	unsigned long last_txs;
94 
95 	struct mt76_connac_sta_key_conf bip;
96 
97 	struct mt792x_sta *sta;
98 
99 	struct ieee80211_link_sta *pri_link;
100 };
101 
102 struct mt792x_sta {
103 	struct mt792x_link_sta deflink; /* must be first */
104 	struct mt792x_link_sta __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS];
105 
106 	struct mt792x_vif *vif;
107 
108 	u16 valid_links;
109 	u8 deflink_id;
110 };
111 
112 DECLARE_EWMA(rssi, 10, 8);
113 
114 struct mt792x_chanctx {
115 	struct mt792x_bss_conf *bss_conf;
116 };
117 
118 struct mt792x_bss_conf {
119 	struct mt76_vif mt76; /* must be first */
120 	struct mt792x_vif *vif;
121 	struct ewma_rssi rssi;
122 	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
123 	unsigned int link_id;
124 };
125 
126 struct mt792x_vif {
127 	struct mt792x_bss_conf bss_conf; /* must be first */
128 	struct mt792x_bss_conf __rcu *link_conf[IEEE80211_MLD_MAX_NUM_LINKS];
129 
130 	struct mt792x_sta sta;
131 	struct mt792x_sta *wep_sta;
132 
133 	struct mt792x_phy *phy;
134 	u16 valid_links;
135 	u8 deflink_id;
136 };
137 
138 struct mt792x_phy {
139 	struct mt76_phy *mt76;
140 	struct mt792x_dev *dev;
141 
142 	struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES];
143 
144 	u64 omac_mask;
145 
146 	u16 noise;
147 
148 	s16 coverage_class;
149 	u8 slottime;
150 
151 	u32 rx_ampdu_ts;
152 	u32 ampdu_ref;
153 
154 	struct mt76_mib_stats mib;
155 
156 	u8 sta_work_count;
157 	u8 clc_chan_conf;
158 	enum mt792x_reg_power_type power_type;
159 
160 	struct sk_buff_head scan_event_list;
161 	struct delayed_work scan_work;
162 #ifdef CONFIG_ACPI
163 	void *acpisar;
164 #endif
165 	void *clc[MT792x_CLC_MAX_NUM];
166 	u64 chip_cap;
167 	u16 eml_cap;
168 
169 	struct work_struct roc_work;
170 	struct timer_list roc_timer;
171 	wait_queue_head_t roc_wait;
172 	u8 roc_token_id;
173 	bool roc_grant;
174 };
175 
176 struct mt792x_irq_map {
177 	u32 host_irq_enable;
178 	struct {
179 		u32 all_complete_mask;
180 		u32 mcu_complete_mask;
181 	} tx;
182 	struct {
183 		u32 data_complete_mask;
184 		u32 wm_complete_mask;
185 		u32 wm2_complete_mask;
186 	} rx;
187 };
188 
189 #define mt792x_init_reset(dev)		((dev)->hif_ops->init_reset(dev))
190 #define mt792x_dev_reset(dev)		((dev)->hif_ops->reset(dev))
191 #define mt792x_mcu_init(dev)		((dev)->hif_ops->mcu_init(dev))
192 #define __mt792x_mcu_drv_pmctrl(dev)	((dev)->hif_ops->drv_own(dev))
193 #define	__mt792x_mcu_fw_pmctrl(dev)	((dev)->hif_ops->fw_own(dev))
194 
195 struct mt792x_hif_ops {
196 	int (*init_reset)(struct mt792x_dev *dev);
197 	int (*reset)(struct mt792x_dev *dev);
198 	int (*mcu_init)(struct mt792x_dev *dev);
199 	int (*drv_own)(struct mt792x_dev *dev);
200 	int (*fw_own)(struct mt792x_dev *dev);
201 };
202 
203 struct mt792x_dev {
204 	union { /* must be first */
205 		struct mt76_dev mt76;
206 		struct mt76_phy mphy;
207 	};
208 
209 	const struct mt76_bus_ops *bus_ops;
210 	struct mt792x_phy phy;
211 
212 	struct work_struct reset_work;
213 	bool hw_full_reset:1;
214 	bool hw_init_done:1;
215 	bool fw_assert:1;
216 	bool has_eht:1;
217 	bool regd_in_progress:1;
218 	bool aspm_supported:1;
219 	wait_queue_head_t wait;
220 
221 	struct work_struct init_work;
222 
223 	u8 fw_debug;
224 	u8 fw_features;
225 
226 	struct mt76_connac_pm pm;
227 	struct mt76_connac_coredump coredump;
228 	const struct mt792x_hif_ops *hif_ops;
229 	const struct mt792x_irq_map *irq_map;
230 
231 	struct work_struct ipv6_ns_work;
232 	/* IPv6 addresses for WoWLAN */
233 	struct sk_buff_head ipv6_ns_list;
234 
235 	enum environment_cap country_ie_env;
236 	u32 backup_l1;
237 	u32 backup_l2;
238 };
239 
240 static inline struct mt792x_bss_conf *
241 mt792x_vif_to_link(struct mt792x_vif *mvif, u8 link_id)
242 {
243 	struct ieee80211_vif *vif;
244 
245 	vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
246 
247 	if (!ieee80211_vif_is_mld(vif) ||
248 	    link_id >= IEEE80211_LINK_UNSPECIFIED)
249 		return &mvif->bss_conf;
250 
251 	return rcu_dereference_protected(mvif->link_conf[link_id],
252 		lockdep_is_held(&mvif->phy->dev->mt76.mutex));
253 }
254 
255 static inline struct mt792x_link_sta *
256 mt792x_sta_to_link(struct mt792x_sta *msta, u8 link_id)
257 {
258 	struct ieee80211_vif *vif;
259 
260 	vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
261 
262 	if (!ieee80211_vif_is_mld(vif) ||
263 	    link_id >= IEEE80211_LINK_UNSPECIFIED)
264 		return &msta->deflink;
265 
266 	return rcu_dereference_protected(msta->link[link_id],
267 		lockdep_is_held(&msta->vif->phy->dev->mt76.mutex));
268 }
269 
270 static inline struct mt792x_bss_conf *
271 mt792x_link_conf_to_mconf(struct ieee80211_bss_conf *link_conf)
272 {
273 	struct ieee80211_vif *vif = link_conf->vif;
274 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
275 
276 	return mt792x_vif_to_link(mvif, link_conf->link_id);
277 }
278 
279 static inline struct ieee80211_bss_conf *
280 mt792x_vif_to_bss_conf(struct ieee80211_vif *vif, unsigned int link_id)
281 {
282 	if (!ieee80211_vif_is_mld(vif) ||
283 	    link_id >= IEEE80211_LINK_UNSPECIFIED)
284 		return &vif->bss_conf;
285 
286 	return link_conf_dereference_protected(vif, link_id);
287 }
288 
289 static inline struct ieee80211_link_sta *
290 mt792x_sta_to_link_sta(struct ieee80211_vif *vif, struct ieee80211_sta *sta,
291 		       unsigned int link_id)
292 {
293 	if (!ieee80211_vif_is_mld(vif) ||
294 	    link_id >= IEEE80211_LINK_UNSPECIFIED)
295 		return &sta->deflink;
296 
297 	return link_sta_dereference_protected(sta, link_id);
298 }
299 
300 static inline struct mt792x_dev *
301 mt792x_hw_dev(struct ieee80211_hw *hw)
302 {
303 	struct mt76_phy *phy = hw->priv;
304 
305 	return container_of(phy->dev, struct mt792x_dev, mt76);
306 }
307 
308 static inline struct mt792x_phy *
309 mt792x_hw_phy(struct ieee80211_hw *hw)
310 {
311 	struct mt76_phy *phy = hw->priv;
312 
313 	return phy->priv;
314 }
315 
316 static inline void
317 mt792x_get_status_freq_info(struct mt76_rx_status *status, u8 chfreq)
318 {
319 	if (chfreq > 180) {
320 		status->band = NL80211_BAND_6GHZ;
321 		chfreq = (chfreq - 181) * 4 + 1;
322 	} else if (chfreq > 14) {
323 		status->band = NL80211_BAND_5GHZ;
324 	} else {
325 		status->band = NL80211_BAND_2GHZ;
326 	}
327 	status->freq = ieee80211_channel_to_frequency(chfreq, status->band);
328 }
329 
330 static inline bool mt792x_dma_need_reinit(struct mt792x_dev *dev)
331 {
332 	return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
333 }
334 
335 #define mt792x_mutex_acquire(dev)	\
336 	mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm)
337 #define mt792x_mutex_release(dev)	\
338 	mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm)
339 
340 void mt792x_stop(struct ieee80211_hw *hw, bool suspend);
341 void mt792x_pm_wake_work(struct work_struct *work);
342 void mt792x_pm_power_save_work(struct work_struct *work);
343 void mt792x_reset(struct mt76_dev *mdev);
344 void mt792x_update_channel(struct mt76_phy *mphy);
345 void mt792x_mac_reset_counters(struct mt792x_phy *phy);
346 void mt792x_mac_init_band(struct mt792x_dev *dev, u8 band);
347 void mt792x_mac_assoc_rssi(struct mt792x_dev *dev, struct sk_buff *skb);
348 struct mt76_wcid *mt792x_rx_get_wcid(struct mt792x_dev *dev, u16 idx,
349 				     bool unicast);
350 void mt792x_mac_update_mib_stats(struct mt792x_phy *phy);
351 void mt792x_mac_set_timeing(struct mt792x_phy *phy);
352 void mt792x_mac_work(struct work_struct *work);
353 void mt792x_remove_interface(struct ieee80211_hw *hw,
354 			     struct ieee80211_vif *vif);
355 void mt792x_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
356 	       struct sk_buff *skb);
357 int mt792x_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
358 		   unsigned int link_id, u16 queue,
359 		   const struct ieee80211_tx_queue_params *params);
360 int mt792x_get_stats(struct ieee80211_hw *hw,
361 		     struct ieee80211_low_level_stats *stats);
362 u64 mt792x_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
363 void mt792x_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
364 		    u64 timestamp);
365 void mt792x_tx_worker(struct mt76_worker *w);
366 void mt792x_roc_timer(struct timer_list *timer);
367 void mt792x_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
368 		  u32 queues, bool drop);
369 int mt792x_assign_vif_chanctx(struct ieee80211_hw *hw,
370 			      struct ieee80211_vif *vif,
371 			      struct ieee80211_bss_conf *link_conf,
372 			      struct ieee80211_chanctx_conf *ctx);
373 void mt792x_unassign_vif_chanctx(struct ieee80211_hw *hw,
374 				 struct ieee80211_vif *vif,
375 				 struct ieee80211_bss_conf *link_conf,
376 				 struct ieee80211_chanctx_conf *ctx);
377 void mt792x_set_wakeup(struct ieee80211_hw *hw, bool enabled);
378 void mt792x_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
379 			   u32 sset, u8 *data);
380 int mt792x_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
381 			     int sset);
382 void mt792x_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
383 			 struct ethtool_stats *stats, u64 *data);
384 void mt792x_sta_statistics(struct ieee80211_hw *hw,
385 			   struct ieee80211_vif *vif,
386 			   struct ieee80211_sta *sta,
387 			   struct station_info *sinfo);
388 void mt792x_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class);
389 void mt792x_dma_cleanup(struct mt792x_dev *dev);
390 int mt792x_dma_enable(struct mt792x_dev *dev);
391 int mt792x_wpdma_reset(struct mt792x_dev *dev, bool force);
392 int mt792x_wpdma_reinit_cond(struct mt792x_dev *dev);
393 int mt792x_dma_disable(struct mt792x_dev *dev, bool force);
394 irqreturn_t mt792x_irq_handler(int irq, void *dev_instance);
395 void mt792x_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
396 int mt792x_poll_tx(struct napi_struct *napi, int budget);
397 int mt792x_poll_rx(struct napi_struct *napi, int budget);
398 void mt792x_irq_tasklet(unsigned long data);
399 int mt792x_wfsys_reset(struct mt792x_dev *dev);
400 int mt792x_tx_stats_show(struct seq_file *file, void *data);
401 int mt792x_queues_acq(struct seq_file *s, void *data);
402 int mt792x_queues_read(struct seq_file *s, void *data);
403 int mt792x_pm_stats(struct seq_file *s, void *data);
404 int mt792x_pm_idle_timeout_set(void *data, u64 val);
405 int mt792x_pm_idle_timeout_get(void *data, u64 *val);
406 int mt792x_init_wiphy(struct ieee80211_hw *hw);
407 struct ieee80211_ops *
408 mt792x_get_mac80211_ops(struct device *dev,
409 			const struct ieee80211_ops *mac80211_ops,
410 			void *drv_data, u8 *fw_features);
411 int mt792x_init_wcid(struct mt792x_dev *dev);
412 int mt792x_mcu_drv_pmctrl(struct mt792x_dev *dev);
413 int mt792x_mcu_fw_pmctrl(struct mt792x_dev *dev);
414 void mt792x_mac_link_bss_remove(struct mt792x_dev *dev,
415 				struct mt792x_bss_conf *mconf,
416 				struct mt792x_link_sta *mlink);
417 
418 static inline char *mt792x_ram_name(struct mt792x_dev *dev)
419 {
420 	switch (mt76_chip(&dev->mt76)) {
421 	case 0x7920:
422 		return MT7920_FIRMWARE_WM;
423 	case 0x7922:
424 		return MT7922_FIRMWARE_WM;
425 	case 0x7925:
426 		return MT7925_FIRMWARE_WM;
427 	default:
428 		return MT7921_FIRMWARE_WM;
429 	}
430 }
431 
432 static inline char *mt792x_patch_name(struct mt792x_dev *dev)
433 {
434 	switch (mt76_chip(&dev->mt76)) {
435 	case 0x7920:
436 		return MT7920_ROM_PATCH;
437 	case 0x7922:
438 		return MT7922_ROM_PATCH;
439 	case 0x7925:
440 		return MT7925_ROM_PATCH;
441 	default:
442 		return MT7921_ROM_PATCH;
443 	}
444 }
445 
446 int mt792x_load_firmware(struct mt792x_dev *dev);
447 
448 /* usb */
449 #define MT_USB_TYPE_VENDOR	(USB_TYPE_VENDOR | 0x1f)
450 #define MT_USB_TYPE_UHW_VENDOR	(USB_TYPE_VENDOR | 0x1e)
451 int mt792xu_dma_init(struct mt792x_dev *dev, bool resume);
452 int mt792xu_mcu_power_on(struct mt792x_dev *dev);
453 int mt792xu_wfsys_reset(struct mt792x_dev *dev);
454 int mt792xu_init_reset(struct mt792x_dev *dev);
455 u32 mt792xu_rr(struct mt76_dev *dev, u32 addr);
456 void mt792xu_wr(struct mt76_dev *dev, u32 addr, u32 val);
457 u32 mt792xu_rmw(struct mt76_dev *dev, u32 addr, u32 mask, u32 val);
458 void mt792xu_copy(struct mt76_dev *dev, u32 offset, const void *data, int len);
459 void mt792xu_disconnect(struct usb_interface *usb_intf);
460 void mt792xu_stop(struct ieee80211_hw *hw, bool suspend);
461 
462 static inline void
463 mt792x_skb_add_usb_sdio_hdr(struct mt792x_dev *dev, struct sk_buff *skb,
464 			    int type)
465 {
466 	u32 hdr, len;
467 
468 	len = mt76_is_usb(&dev->mt76) ? skb->len : skb->len + sizeof(hdr);
469 	hdr = FIELD_PREP(MT792x_SDIO_HDR_TX_BYTES, len) |
470 	      FIELD_PREP(MT792x_SDIO_HDR_PKT_TYPE, type);
471 
472 	put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr)));
473 }
474 
475 int __mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev);
476 int mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev);
477 int mt792xe_mcu_fw_pmctrl(struct mt792x_dev *dev);
478 
479 #ifdef CONFIG_ACPI
480 int mt792x_init_acpi_sar(struct mt792x_dev *dev);
481 int mt792x_init_acpi_sar_power(struct mt792x_phy *phy, bool set_default);
482 u8 mt792x_acpi_get_flags(struct mt792x_phy *phy);
483 u8 mt792x_acpi_get_mtcl_conf(struct mt792x_phy *phy, char *alpha2);
484 #else
485 static inline int mt792x_init_acpi_sar(struct mt792x_dev *dev)
486 {
487 	return 0;
488 }
489 
490 static inline int mt792x_init_acpi_sar_power(struct mt792x_phy *phy,
491 					     bool set_default)
492 {
493 	return 0;
494 }
495 
496 static inline u8 mt792x_acpi_get_flags(struct mt792x_phy *phy)
497 {
498 	return 0;
499 }
500 
501 static inline u8 mt792x_acpi_get_mtcl_conf(struct mt792x_phy *phy, char *alpha2)
502 {
503 	return 0xf;
504 }
505 #endif
506 
507 #endif /* __MT7925_H */
508