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 *
mt792x_vif_to_link(struct mt792x_vif * mvif,u8 link_id)241 mt792x_vif_to_link(struct mt792x_vif *mvif, u8 link_id)
242 {
243 struct ieee80211_vif *vif;
244 struct mt792x_bss_conf *bss_conf;
245
246 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
247
248 if (!ieee80211_vif_is_mld(vif) ||
249 link_id >= IEEE80211_LINK_UNSPECIFIED)
250 return &mvif->bss_conf;
251
252 bss_conf = rcu_dereference_protected(mvif->link_conf[link_id],
253 lockdep_is_held(&mvif->phy->dev->mt76.mutex));
254
255 return bss_conf ? bss_conf : &mvif->bss_conf;
256 }
257
258 static inline struct mt792x_link_sta *
mt792x_sta_to_link(struct mt792x_sta * msta,u8 link_id)259 mt792x_sta_to_link(struct mt792x_sta *msta, u8 link_id)
260 {
261 struct ieee80211_vif *vif;
262
263 vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
264
265 if (!ieee80211_vif_is_mld(vif) ||
266 link_id >= IEEE80211_LINK_UNSPECIFIED)
267 return &msta->deflink;
268
269 return rcu_dereference_protected(msta->link[link_id],
270 lockdep_is_held(&msta->vif->phy->dev->mt76.mutex));
271 }
272
273 static inline struct mt792x_bss_conf *
mt792x_link_conf_to_mconf(struct ieee80211_bss_conf * link_conf)274 mt792x_link_conf_to_mconf(struct ieee80211_bss_conf *link_conf)
275 {
276 struct ieee80211_vif *vif = link_conf->vif;
277 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
278
279 return mt792x_vif_to_link(mvif, link_conf->link_id);
280 }
281
282 static inline struct ieee80211_bss_conf *
mt792x_vif_to_bss_conf(struct ieee80211_vif * vif,unsigned int link_id)283 mt792x_vif_to_bss_conf(struct ieee80211_vif *vif, unsigned int link_id)
284 {
285 if (!ieee80211_vif_is_mld(vif) ||
286 link_id >= IEEE80211_LINK_UNSPECIFIED)
287 return &vif->bss_conf;
288
289 return link_conf_dereference_protected(vif, link_id);
290 }
291
292 static inline struct ieee80211_link_sta *
mt792x_sta_to_link_sta(struct ieee80211_vif * vif,struct ieee80211_sta * sta,unsigned int link_id)293 mt792x_sta_to_link_sta(struct ieee80211_vif *vif, struct ieee80211_sta *sta,
294 unsigned int link_id)
295 {
296 if (!ieee80211_vif_is_mld(vif) ||
297 link_id >= IEEE80211_LINK_UNSPECIFIED)
298 return &sta->deflink;
299
300 return link_sta_dereference_protected(sta, link_id);
301 }
302
303 static inline struct mt792x_dev *
mt792x_hw_dev(struct ieee80211_hw * hw)304 mt792x_hw_dev(struct ieee80211_hw *hw)
305 {
306 struct mt76_phy *phy = hw->priv;
307
308 return container_of(phy->dev, struct mt792x_dev, mt76);
309 }
310
311 static inline struct mt792x_phy *
mt792x_hw_phy(struct ieee80211_hw * hw)312 mt792x_hw_phy(struct ieee80211_hw *hw)
313 {
314 struct mt76_phy *phy = hw->priv;
315
316 return phy->priv;
317 }
318
319 static inline void
mt792x_get_status_freq_info(struct mt76_rx_status * status,u8 chfreq)320 mt792x_get_status_freq_info(struct mt76_rx_status *status, u8 chfreq)
321 {
322 if (chfreq > 180) {
323 status->band = NL80211_BAND_6GHZ;
324 chfreq = (chfreq - 181) * 4 + 1;
325 } else if (chfreq > 14) {
326 status->band = NL80211_BAND_5GHZ;
327 } else {
328 status->band = NL80211_BAND_2GHZ;
329 }
330 status->freq = ieee80211_channel_to_frequency(chfreq, status->band);
331 }
332
mt792x_dma_need_reinit(struct mt792x_dev * dev)333 static inline bool mt792x_dma_need_reinit(struct mt792x_dev *dev)
334 {
335 return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
336 }
337
338 #define mt792x_mutex_acquire(dev) \
339 mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm)
340 #define mt792x_mutex_release(dev) \
341 mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm)
342
343 void mt792x_stop(struct ieee80211_hw *hw, bool suspend);
344 void mt792x_pm_wake_work(struct work_struct *work);
345 void mt792x_pm_power_save_work(struct work_struct *work);
346 void mt792x_reset(struct mt76_dev *mdev);
347 void mt792x_update_channel(struct mt76_phy *mphy);
348 void mt792x_mac_reset_counters(struct mt792x_phy *phy);
349 void mt792x_mac_init_band(struct mt792x_dev *dev, u8 band);
350 void mt792x_mac_assoc_rssi(struct mt792x_dev *dev, struct sk_buff *skb);
351 struct mt76_wcid *mt792x_rx_get_wcid(struct mt792x_dev *dev, u16 idx,
352 bool unicast);
353 void mt792x_mac_update_mib_stats(struct mt792x_phy *phy);
354 void mt792x_mac_set_timeing(struct mt792x_phy *phy);
355 void mt792x_mac_work(struct work_struct *work);
356 void mt792x_remove_interface(struct ieee80211_hw *hw,
357 struct ieee80211_vif *vif);
358 void mt792x_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
359 struct sk_buff *skb);
360 int mt792x_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
361 unsigned int link_id, u16 queue,
362 const struct ieee80211_tx_queue_params *params);
363 int mt792x_get_stats(struct ieee80211_hw *hw,
364 struct ieee80211_low_level_stats *stats);
365 u64 mt792x_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
366 void mt792x_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
367 u64 timestamp);
368 void mt792x_tx_worker(struct mt76_worker *w);
369 void mt792x_roc_timer(struct timer_list *timer);
370 void mt792x_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
371 u32 queues, bool drop);
372 int mt792x_assign_vif_chanctx(struct ieee80211_hw *hw,
373 struct ieee80211_vif *vif,
374 struct ieee80211_bss_conf *link_conf,
375 struct ieee80211_chanctx_conf *ctx);
376 void mt792x_unassign_vif_chanctx(struct ieee80211_hw *hw,
377 struct ieee80211_vif *vif,
378 struct ieee80211_bss_conf *link_conf,
379 struct ieee80211_chanctx_conf *ctx);
380 void mt792x_set_wakeup(struct ieee80211_hw *hw, bool enabled);
381 void mt792x_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
382 u32 sset, u8 *data);
383 int mt792x_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
384 int sset);
385 void mt792x_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
386 struct ethtool_stats *stats, u64 *data);
387 void mt792x_sta_statistics(struct ieee80211_hw *hw,
388 struct ieee80211_vif *vif,
389 struct ieee80211_sta *sta,
390 struct station_info *sinfo);
391 void mt792x_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class);
392 void mt792x_dma_cleanup(struct mt792x_dev *dev);
393 int mt792x_dma_enable(struct mt792x_dev *dev);
394 int mt792x_wpdma_reset(struct mt792x_dev *dev, bool force);
395 int mt792x_wpdma_reinit_cond(struct mt792x_dev *dev);
396 int mt792x_dma_disable(struct mt792x_dev *dev, bool force);
397 irqreturn_t mt792x_irq_handler(int irq, void *dev_instance);
398 void mt792x_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
399 int mt792x_poll_tx(struct napi_struct *napi, int budget);
400 int mt792x_poll_rx(struct napi_struct *napi, int budget);
401 void mt792x_irq_tasklet(unsigned long data);
402 int mt792x_wfsys_reset(struct mt792x_dev *dev);
403 int mt792x_tx_stats_show(struct seq_file *file, void *data);
404 int mt792x_queues_acq(struct seq_file *s, void *data);
405 int mt792x_queues_read(struct seq_file *s, void *data);
406 int mt792x_pm_stats(struct seq_file *s, void *data);
407 int mt792x_pm_idle_timeout_set(void *data, u64 val);
408 int mt792x_pm_idle_timeout_get(void *data, u64 *val);
409 int mt792x_init_wiphy(struct ieee80211_hw *hw);
410 struct ieee80211_ops *
411 mt792x_get_mac80211_ops(struct device *dev,
412 const struct ieee80211_ops *mac80211_ops,
413 void *drv_data, u8 *fw_features);
414 int mt792x_init_wcid(struct mt792x_dev *dev);
415 int mt792x_mcu_drv_pmctrl(struct mt792x_dev *dev);
416 int mt792x_mcu_fw_pmctrl(struct mt792x_dev *dev);
417 void mt792x_mac_link_bss_remove(struct mt792x_dev *dev,
418 struct mt792x_bss_conf *mconf,
419 struct mt792x_link_sta *mlink);
420
mt792x_ram_name(struct mt792x_dev * dev)421 static inline char *mt792x_ram_name(struct mt792x_dev *dev)
422 {
423 switch (mt76_chip(&dev->mt76)) {
424 case 0x7920:
425 return MT7920_FIRMWARE_WM;
426 case 0x7922:
427 return MT7922_FIRMWARE_WM;
428 case 0x7925:
429 return MT7925_FIRMWARE_WM;
430 default:
431 return MT7921_FIRMWARE_WM;
432 }
433 }
434
mt792x_patch_name(struct mt792x_dev * dev)435 static inline char *mt792x_patch_name(struct mt792x_dev *dev)
436 {
437 switch (mt76_chip(&dev->mt76)) {
438 case 0x7920:
439 return MT7920_ROM_PATCH;
440 case 0x7922:
441 return MT7922_ROM_PATCH;
442 case 0x7925:
443 return MT7925_ROM_PATCH;
444 default:
445 return MT7921_ROM_PATCH;
446 }
447 }
448
449 int mt792x_load_firmware(struct mt792x_dev *dev);
450
451 /* usb */
452 #define MT_USB_TYPE_VENDOR (USB_TYPE_VENDOR | 0x1f)
453 #define MT_USB_TYPE_UHW_VENDOR (USB_TYPE_VENDOR | 0x1e)
454 int mt792xu_dma_init(struct mt792x_dev *dev, bool resume);
455 int mt792xu_mcu_power_on(struct mt792x_dev *dev);
456 int mt792xu_wfsys_reset(struct mt792x_dev *dev);
457 int mt792xu_init_reset(struct mt792x_dev *dev);
458 u32 mt792xu_rr(struct mt76_dev *dev, u32 addr);
459 void mt792xu_wr(struct mt76_dev *dev, u32 addr, u32 val);
460 u32 mt792xu_rmw(struct mt76_dev *dev, u32 addr, u32 mask, u32 val);
461 void mt792xu_copy(struct mt76_dev *dev, u32 offset, const void *data, int len);
462 void mt792xu_disconnect(struct usb_interface *usb_intf);
463 void mt792xu_stop(struct ieee80211_hw *hw, bool suspend);
464
465 static inline void
mt792x_skb_add_usb_sdio_hdr(struct mt792x_dev * dev,struct sk_buff * skb,int type)466 mt792x_skb_add_usb_sdio_hdr(struct mt792x_dev *dev, struct sk_buff *skb,
467 int type)
468 {
469 u32 hdr, len;
470
471 len = mt76_is_usb(&dev->mt76) ? skb->len : skb->len + sizeof(hdr);
472 hdr = FIELD_PREP(MT792x_SDIO_HDR_TX_BYTES, len) |
473 FIELD_PREP(MT792x_SDIO_HDR_PKT_TYPE, type);
474
475 put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr)));
476 }
477
478 int __mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev);
479 int mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev);
480 int mt792xe_mcu_fw_pmctrl(struct mt792x_dev *dev);
481
482 #ifdef CONFIG_ACPI
483 int mt792x_init_acpi_sar(struct mt792x_dev *dev);
484 int mt792x_init_acpi_sar_power(struct mt792x_phy *phy, bool set_default);
485 u8 mt792x_acpi_get_flags(struct mt792x_phy *phy);
486 u8 mt792x_acpi_get_mtcl_conf(struct mt792x_phy *phy, char *alpha2);
487 #else
mt792x_init_acpi_sar(struct mt792x_dev * dev)488 static inline int mt792x_init_acpi_sar(struct mt792x_dev *dev)
489 {
490 return 0;
491 }
492
mt792x_init_acpi_sar_power(struct mt792x_phy * phy,bool set_default)493 static inline int mt792x_init_acpi_sar_power(struct mt792x_phy *phy,
494 bool set_default)
495 {
496 return 0;
497 }
498
mt792x_acpi_get_flags(struct mt792x_phy * phy)499 static inline u8 mt792x_acpi_get_flags(struct mt792x_phy *phy)
500 {
501 return 0;
502 }
503
mt792x_acpi_get_mtcl_conf(struct mt792x_phy * phy,char * alpha2)504 static inline u8 mt792x_acpi_get_mtcl_conf(struct mt792x_phy *phy, char *alpha2)
505 {
506 return 0xf;
507 }
508 #endif
509
510 #endif /* __MT7925_H */
511