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
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 *
mt792x_sta_to_link(struct mt792x_sta * msta,u8 link_id)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 *
mt792x_link_conf_to_mconf(struct ieee80211_bss_conf * link_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 *
mt792x_vif_to_bss_conf(struct ieee80211_vif * vif,unsigned int link_id)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 *
mt792x_sta_to_link_sta(struct ieee80211_vif * vif,struct ieee80211_sta * sta,unsigned int link_id)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 *
mt792x_hw_dev(struct ieee80211_hw * hw)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 *
mt792x_hw_phy(struct ieee80211_hw * hw)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
mt792x_get_status_freq_info(struct mt76_rx_status * status,u8 chfreq)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
mt792x_dma_need_reinit(struct mt792x_dev * dev)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
mt792x_ram_name(struct mt792x_dev * dev)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
mt792x_patch_name(struct mt792x_dev * dev)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
mt792x_skb_add_usb_sdio_hdr(struct mt792x_dev * dev,struct sk_buff * skb,int type)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
mt792x_init_acpi_sar(struct mt792x_dev * dev)485 static inline int mt792x_init_acpi_sar(struct mt792x_dev *dev)
486 {
487 return 0;
488 }
489
mt792x_init_acpi_sar_power(struct mt792x_phy * phy,bool set_default)490 static inline int mt792x_init_acpi_sar_power(struct mt792x_phy *phy,
491 bool set_default)
492 {
493 return 0;
494 }
495
mt792x_acpi_get_flags(struct mt792x_phy * phy)496 static inline u8 mt792x_acpi_get_flags(struct mt792x_phy *phy)
497 {
498 return 0;
499 }
500
mt792x_acpi_get_mtcl_conf(struct mt792x_phy * phy,char * alpha2)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