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 #define MT792x_CHIP_CAP_WF_RF_PIN_CTRL_EVT_EN BIT(3)
32
33 /* NOTE: used to map mt76_rates. idx may change if firmware expands table */
34 #define MT792x_BASIC_RATES_TBL 11
35
36 #define MT792x_WATCHDOG_TIME (HZ / 4)
37
38 #define MT792x_DRV_OWN_RETRY_COUNT 10
39 #define MT792x_MCU_INIT_RETRY_COUNT 10
40 #define MT792x_WFSYS_INIT_RETRY_COUNT 2
41
42 #define MT7920_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7961_1a.bin"
43 #define MT7921_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7961_1.bin"
44 #define MT7922_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7922_1.bin"
45 #define MT7925_FIRMWARE_WM "mediatek/mt7925/WIFI_RAM_CODE_MT7925_1_1.bin"
46
47 #define MT7920_ROM_PATCH "mediatek/WIFI_MT7961_patch_mcu_1a_2_hdr.bin"
48 #define MT7921_ROM_PATCH "mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin"
49 #define MT7922_ROM_PATCH "mediatek/WIFI_MT7922_patch_mcu_1_1_hdr.bin"
50 #define MT7925_ROM_PATCH "mediatek/mt7925/WIFI_MT7925_PATCH_MCU_1_1_hdr.bin"
51
52 #define MT792x_SDIO_HDR_TX_BYTES GENMASK(15, 0)
53 #define MT792x_SDIO_HDR_PKT_TYPE GENMASK(17, 16)
54
55 struct mt792x_vif;
56 struct mt792x_sta;
57
58 struct mt792x_realease_info {
59 __le16 len;
60 u8 pad_len;
61 u8 tag;
62 } __packed;
63
64 struct mt792x_fw_features {
65 u8 segment;
66 u8 data;
67 u8 rsv[14];
68 } __packed;
69
70 enum {
71 MT792x_CLC_POWER,
72 MT792x_CLC_POWER_EXT,
73 MT792x_CLC_MAX_NUM,
74 };
75
76 enum mt792x_reg_power_type {
77 MT_AP_UNSET = 0,
78 MT_AP_DEFAULT,
79 MT_AP_LPI,
80 MT_AP_SP,
81 MT_AP_VLP,
82 };
83
84 DECLARE_EWMA(avg_signal, 10, 8)
85
86 struct mt792x_link_sta {
87 struct mt76_wcid wcid; /* must be first */
88
89 u32 airtime_ac[8];
90
91 int ack_signal;
92 struct ewma_avg_signal avg_ack_signal;
93
94 unsigned long last_txs;
95
96 struct mt76_connac_sta_key_conf bip;
97
98 struct mt792x_sta *sta;
99
100 struct ieee80211_link_sta *pri_link;
101 };
102
103 struct mt792x_sta {
104 struct mt792x_link_sta deflink; /* must be first */
105 struct mt792x_link_sta __rcu *link[IEEE80211_MLD_MAX_NUM_LINKS];
106
107 struct mt792x_vif *vif;
108
109 u16 valid_links;
110 u8 deflink_id;
111 };
112
113 DECLARE_EWMA(rssi, 10, 8);
114
115 struct mt792x_chanctx {
116 struct mt792x_bss_conf *bss_conf;
117 };
118
119 struct mt792x_bss_conf {
120 struct mt76_vif_link mt76; /* must be first */
121 struct mt792x_vif *vif;
122 struct ewma_rssi rssi;
123 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
124 unsigned int link_id;
125 };
126
127 struct mt792x_vif {
128 struct mt792x_bss_conf bss_conf; /* must be first */
129 struct mt792x_bss_conf __rcu *link_conf[IEEE80211_MLD_MAX_NUM_LINKS];
130
131 struct mt792x_sta sta;
132 struct mt792x_sta *wep_sta;
133
134 struct mt792x_phy *phy;
135 u16 valid_links;
136 u8 deflink_id;
137
138 struct work_struct csa_work;
139 struct timer_list csa_timer;
140 };
141
142 struct mt792x_phy {
143 struct mt76_phy *mt76;
144 struct mt792x_dev *dev;
145
146 struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES];
147
148 u64 omac_mask;
149
150 u16 noise;
151
152 s16 coverage_class;
153 u8 slottime;
154
155 u32 rx_ampdu_ts;
156 u32 ampdu_ref;
157
158 struct mt76_mib_stats mib;
159
160 u8 sta_work_count;
161 u8 clc_chan_conf;
162 enum mt792x_reg_power_type power_type;
163
164 struct sk_buff_head scan_event_list;
165 struct delayed_work scan_work;
166 #ifdef CONFIG_ACPI
167 void *acpisar;
168 #endif
169 void *clc[MT792x_CLC_MAX_NUM];
170 u64 chip_cap;
171 u16 eml_cap;
172
173 struct work_struct roc_work;
174 struct timer_list roc_timer;
175 wait_queue_head_t roc_wait;
176 u8 roc_token_id;
177 bool roc_grant;
178 };
179
180 struct mt792x_irq_map {
181 u32 host_irq_enable;
182 struct {
183 u32 all_complete_mask;
184 u32 mcu_complete_mask;
185 } tx;
186 struct {
187 u32 data_complete_mask;
188 u32 wm_complete_mask;
189 u32 wm2_complete_mask;
190 } rx;
191 };
192
193 #define mt792x_init_reset(dev) ((dev)->hif_ops->init_reset(dev))
194 #define mt792x_dev_reset(dev) ((dev)->hif_ops->reset(dev))
195 #define mt792x_mcu_init(dev) ((dev)->hif_ops->mcu_init(dev))
196 #define __mt792x_mcu_drv_pmctrl(dev) ((dev)->hif_ops->drv_own(dev))
197 #define __mt792x_mcu_fw_pmctrl(dev) ((dev)->hif_ops->fw_own(dev))
198
199 struct mt792x_hif_ops {
200 int (*init_reset)(struct mt792x_dev *dev);
201 int (*reset)(struct mt792x_dev *dev);
202 int (*mcu_init)(struct mt792x_dev *dev);
203 int (*drv_own)(struct mt792x_dev *dev);
204 int (*fw_own)(struct mt792x_dev *dev);
205 };
206
207 struct mt792x_dev {
208 union { /* must be first */
209 struct mt76_dev mt76;
210 struct mt76_phy mphy;
211 };
212
213 struct mac_address macaddr_list[8];
214
215 const struct mt76_bus_ops *bus_ops;
216 struct mt792x_phy phy;
217
218 struct work_struct reset_work;
219 bool hw_full_reset:1;
220 bool hw_init_done:1;
221 bool fw_assert:1;
222 bool has_eht:1;
223 bool regd_in_progress:1;
224 bool aspm_supported:1;
225 bool hif_idle:1;
226 bool hif_resumed:1;
227 bool sar_inited:1;
228 bool regd_change:1;
229 wait_queue_head_t wait;
230
231 struct work_struct init_work;
232
233 u8 fw_debug;
234 u8 fw_features;
235
236 struct mt76_connac_pm pm;
237 struct mt76_connac_coredump coredump;
238 const struct mt792x_hif_ops *hif_ops;
239 const struct mt792x_irq_map *irq_map;
240
241 struct work_struct ipv6_ns_work;
242 /* IPv6 addresses for WoWLAN */
243 struct sk_buff_head ipv6_ns_list;
244
245 enum environment_cap country_ie_env;
246 u32 backup_l1;
247 u32 backup_l2;
248
249 struct ieee80211_chanctx_conf *new_ctx;
250 };
251
252 static inline struct mt792x_bss_conf *
mt792x_vif_to_link(struct mt792x_vif * mvif,u8 link_id)253 mt792x_vif_to_link(struct mt792x_vif *mvif, u8 link_id)
254 {
255 struct ieee80211_vif *vif;
256 struct mt792x_bss_conf *bss_conf;
257
258 vif = container_of((void *)mvif, struct ieee80211_vif, drv_priv);
259
260 if (!ieee80211_vif_is_mld(vif) ||
261 link_id >= IEEE80211_LINK_UNSPECIFIED)
262 return &mvif->bss_conf;
263
264 bss_conf = rcu_dereference_protected(mvif->link_conf[link_id],
265 lockdep_is_held(&mvif->phy->dev->mt76.mutex));
266
267 return bss_conf ? bss_conf : &mvif->bss_conf;
268 }
269
270 static inline struct mt792x_link_sta *
mt792x_sta_to_link(struct mt792x_sta * msta,u8 link_id)271 mt792x_sta_to_link(struct mt792x_sta *msta, u8 link_id)
272 {
273 struct ieee80211_vif *vif;
274
275 vif = container_of((void *)msta->vif, struct ieee80211_vif, drv_priv);
276
277 if (!ieee80211_vif_is_mld(vif) ||
278 link_id >= IEEE80211_LINK_UNSPECIFIED)
279 return &msta->deflink;
280
281 return rcu_dereference_protected(msta->link[link_id],
282 lockdep_is_held(&msta->vif->phy->dev->mt76.mutex));
283 }
284
285 static inline struct mt792x_bss_conf *
mt792x_link_conf_to_mconf(struct ieee80211_bss_conf * link_conf)286 mt792x_link_conf_to_mconf(struct ieee80211_bss_conf *link_conf)
287 {
288 struct ieee80211_vif *vif = link_conf->vif;
289 struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
290
291 return mt792x_vif_to_link(mvif, link_conf->link_id);
292 }
293
294 static inline struct ieee80211_bss_conf *
mt792x_vif_to_bss_conf(struct ieee80211_vif * vif,unsigned int link_id)295 mt792x_vif_to_bss_conf(struct ieee80211_vif *vif, unsigned int link_id)
296 {
297 if (!ieee80211_vif_is_mld(vif) ||
298 link_id >= IEEE80211_LINK_UNSPECIFIED)
299 return &vif->bss_conf;
300
301 return link_conf_dereference_protected(vif, link_id);
302 }
303
304 static inline struct ieee80211_link_sta *
mt792x_sta_to_link_sta(struct ieee80211_vif * vif,struct ieee80211_sta * sta,unsigned int link_id)305 mt792x_sta_to_link_sta(struct ieee80211_vif *vif, struct ieee80211_sta *sta,
306 unsigned int link_id)
307 {
308 if (!ieee80211_vif_is_mld(vif) ||
309 link_id >= IEEE80211_LINK_UNSPECIFIED)
310 return &sta->deflink;
311
312 return link_sta_dereference_protected(sta, link_id);
313 }
314
315 static inline struct mt792x_dev *
mt792x_hw_dev(struct ieee80211_hw * hw)316 mt792x_hw_dev(struct ieee80211_hw *hw)
317 {
318 struct mt76_phy *phy = hw->priv;
319
320 return container_of(phy->dev, struct mt792x_dev, mt76);
321 }
322
323 static inline struct mt792x_phy *
mt792x_hw_phy(struct ieee80211_hw * hw)324 mt792x_hw_phy(struct ieee80211_hw *hw)
325 {
326 struct mt76_phy *phy = hw->priv;
327
328 return phy->priv;
329 }
330
331 static inline void
mt792x_get_status_freq_info(struct mt76_rx_status * status,u8 chfreq)332 mt792x_get_status_freq_info(struct mt76_rx_status *status, u8 chfreq)
333 {
334 if (chfreq > 180) {
335 status->band = NL80211_BAND_6GHZ;
336 chfreq = (chfreq - 181) * 4 + 1;
337 } else if (chfreq > 14) {
338 status->band = NL80211_BAND_5GHZ;
339 } else {
340 status->band = NL80211_BAND_2GHZ;
341 }
342 status->freq = ieee80211_channel_to_frequency(chfreq, status->band);
343 }
344
mt792x_dma_need_reinit(struct mt792x_dev * dev)345 static inline bool mt792x_dma_need_reinit(struct mt792x_dev *dev)
346 {
347 return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
348 }
349
350 #define mt792x_mutex_acquire(dev) \
351 mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm)
352 #define mt792x_mutex_release(dev) \
353 mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm)
354
355 void mt792x_stop(struct ieee80211_hw *hw, bool suspend);
356 void mt792x_pm_wake_work(struct work_struct *work);
357 void mt792x_pm_power_save_work(struct work_struct *work);
358 void mt792x_reset(struct mt76_dev *mdev);
359 void mt792x_update_channel(struct mt76_phy *mphy);
360 void mt792x_mac_reset_counters(struct mt792x_phy *phy);
361 void mt792x_mac_init_band(struct mt792x_dev *dev, u8 band);
362 void mt792x_mac_assoc_rssi(struct mt792x_dev *dev, struct sk_buff *skb);
363 struct mt76_wcid *mt792x_rx_get_wcid(struct mt792x_dev *dev, u16 idx,
364 bool unicast);
365 void mt792x_mac_update_mib_stats(struct mt792x_phy *phy);
366 void mt792x_mac_set_timeing(struct mt792x_phy *phy);
367 void mt792x_mac_work(struct work_struct *work);
368 void mt792x_remove_interface(struct ieee80211_hw *hw,
369 struct ieee80211_vif *vif);
370 void mt792x_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control,
371 struct sk_buff *skb);
372 int mt792x_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
373 unsigned int link_id, u16 queue,
374 const struct ieee80211_tx_queue_params *params);
375 int mt792x_get_stats(struct ieee80211_hw *hw,
376 struct ieee80211_low_level_stats *stats);
377 u64 mt792x_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
378 void mt792x_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
379 u64 timestamp);
380 void mt792x_tx_worker(struct mt76_worker *w);
381 void mt792x_roc_timer(struct timer_list *timer);
382 void mt792x_csa_timer(struct timer_list *timer);
383 void mt792x_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
384 u32 queues, bool drop);
385 int mt792x_assign_vif_chanctx(struct ieee80211_hw *hw,
386 struct ieee80211_vif *vif,
387 struct ieee80211_bss_conf *link_conf,
388 struct ieee80211_chanctx_conf *ctx);
389 void mt792x_unassign_vif_chanctx(struct ieee80211_hw *hw,
390 struct ieee80211_vif *vif,
391 struct ieee80211_bss_conf *link_conf,
392 struct ieee80211_chanctx_conf *ctx);
393 void mt792x_set_wakeup(struct ieee80211_hw *hw, bool enabled);
394 void mt792x_get_et_strings(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
395 u32 sset, u8 *data);
396 int mt792x_get_et_sset_count(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
397 int sset);
398 void mt792x_get_et_stats(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
399 struct ethtool_stats *stats, u64 *data);
400 void mt792x_sta_statistics(struct ieee80211_hw *hw,
401 struct ieee80211_vif *vif,
402 struct ieee80211_sta *sta,
403 struct station_info *sinfo);
404 void mt792x_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class);
405 void mt792x_dma_cleanup(struct mt792x_dev *dev);
406 int mt792x_dma_enable(struct mt792x_dev *dev);
407 int mt792x_wpdma_reset(struct mt792x_dev *dev, bool force);
408 int mt792x_wpdma_reinit_cond(struct mt792x_dev *dev);
409 int mt792x_dma_disable(struct mt792x_dev *dev, bool force);
410 irqreturn_t mt792x_irq_handler(int irq, void *dev_instance);
411 void mt792x_rx_poll_complete(struct mt76_dev *mdev, enum mt76_rxq_id q);
412 int mt792x_poll_tx(struct napi_struct *napi, int budget);
413 int mt792x_poll_rx(struct napi_struct *napi, int budget);
414 void mt792x_irq_tasklet(unsigned long data);
415 int mt792x_wfsys_reset(struct mt792x_dev *dev);
416 int mt792x_tx_stats_show(struct seq_file *file, void *data);
417 int mt792x_queues_acq(struct seq_file *s, void *data);
418 int mt792x_queues_read(struct seq_file *s, void *data);
419 int mt792x_pm_stats(struct seq_file *s, void *data);
420 int mt792x_pm_idle_timeout_set(void *data, u64 val);
421 int mt792x_pm_idle_timeout_get(void *data, u64 *val);
422 int mt792x_init_wiphy(struct ieee80211_hw *hw);
423 struct ieee80211_ops *
424 mt792x_get_mac80211_ops(struct device *dev,
425 const struct ieee80211_ops *mac80211_ops,
426 void *drv_data, u8 *fw_features);
427 int mt792x_init_wcid(struct mt792x_dev *dev);
428 int mt792x_mcu_drv_pmctrl(struct mt792x_dev *dev);
429 int mt792x_mcu_fw_pmctrl(struct mt792x_dev *dev);
430 void mt792x_mac_link_bss_remove(struct mt792x_dev *dev,
431 struct mt792x_bss_conf *mconf,
432 struct mt792x_link_sta *mlink);
433 void mt792x_config_mac_addr_list(struct mt792x_dev *dev);
434
mt792x_ram_name(struct mt792x_dev * dev)435 static inline char *mt792x_ram_name(struct mt792x_dev *dev)
436 {
437 switch (mt76_chip(&dev->mt76)) {
438 case 0x7920:
439 return MT7920_FIRMWARE_WM;
440 case 0x7922:
441 return MT7922_FIRMWARE_WM;
442 case 0x7925:
443 return MT7925_FIRMWARE_WM;
444 default:
445 return MT7921_FIRMWARE_WM;
446 }
447 }
448
mt792x_patch_name(struct mt792x_dev * dev)449 static inline char *mt792x_patch_name(struct mt792x_dev *dev)
450 {
451 switch (mt76_chip(&dev->mt76)) {
452 case 0x7920:
453 return MT7920_ROM_PATCH;
454 case 0x7922:
455 return MT7922_ROM_PATCH;
456 case 0x7925:
457 return MT7925_ROM_PATCH;
458 default:
459 return MT7921_ROM_PATCH;
460 }
461 }
462
463 int mt792x_load_firmware(struct mt792x_dev *dev);
464
465 /* usb */
466 #define MT_USB_TYPE_VENDOR (USB_TYPE_VENDOR | 0x1f)
467 #define MT_USB_TYPE_UHW_VENDOR (USB_TYPE_VENDOR | 0x1e)
468 int mt792xu_dma_init(struct mt792x_dev *dev, bool resume);
469 int mt792xu_mcu_power_on(struct mt792x_dev *dev);
470 int mt792xu_wfsys_reset(struct mt792x_dev *dev);
471 int mt792xu_init_reset(struct mt792x_dev *dev);
472 u32 mt792xu_rr(struct mt76_dev *dev, u32 addr);
473 void mt792xu_wr(struct mt76_dev *dev, u32 addr, u32 val);
474 u32 mt792xu_rmw(struct mt76_dev *dev, u32 addr, u32 mask, u32 val);
475 void mt792xu_copy(struct mt76_dev *dev, u32 offset, const void *data, int len);
476 void mt792xu_disconnect(struct usb_interface *usb_intf);
477 void mt792xu_stop(struct ieee80211_hw *hw, bool suspend);
478
479 static inline void
mt792x_skb_add_usb_sdio_hdr(struct mt792x_dev * dev,struct sk_buff * skb,int type)480 mt792x_skb_add_usb_sdio_hdr(struct mt792x_dev *dev, struct sk_buff *skb,
481 int type)
482 {
483 u32 hdr, len;
484
485 len = mt76_is_usb(&dev->mt76) ? skb->len : skb->len + sizeof(hdr);
486 hdr = FIELD_PREP(MT792x_SDIO_HDR_TX_BYTES, len) |
487 FIELD_PREP(MT792x_SDIO_HDR_PKT_TYPE, type);
488
489 put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr)));
490 }
491
492 int __mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev);
493 int mt792xe_mcu_drv_pmctrl(struct mt792x_dev *dev);
494 int mt792xe_mcu_fw_pmctrl(struct mt792x_dev *dev);
495
496 #ifdef CONFIG_ACPI
497 int mt792x_init_acpi_sar(struct mt792x_dev *dev);
498 int mt792x_init_acpi_sar_power(struct mt792x_phy *phy, bool set_default);
499 u8 mt792x_acpi_get_flags(struct mt792x_phy *phy);
500 u8 mt792x_acpi_get_mtcl_conf(struct mt792x_phy *phy, char *alpha2);
501 #else
mt792x_init_acpi_sar(struct mt792x_dev * dev)502 static inline int mt792x_init_acpi_sar(struct mt792x_dev *dev)
503 {
504 return 0;
505 }
506
mt792x_init_acpi_sar_power(struct mt792x_phy * phy,bool set_default)507 static inline int mt792x_init_acpi_sar_power(struct mt792x_phy *phy,
508 bool set_default)
509 {
510 return 0;
511 }
512
mt792x_acpi_get_flags(struct mt792x_phy * phy)513 static inline u8 mt792x_acpi_get_flags(struct mt792x_phy *phy)
514 {
515 return 0;
516 }
517
mt792x_acpi_get_mtcl_conf(struct mt792x_phy * phy,char * alpha2)518 static inline u8 mt792x_acpi_get_mtcl_conf(struct mt792x_phy *phy, char *alpha2)
519 {
520 return 0xf;
521 }
522 #endif
523
524 #endif /* __MT7925_H */
525