1 /* SPDX-License-Identifier: ISC */
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #ifndef __MT7921_H
5 #define __MT7921_H
6
7 #include <linux/interrupt.h>
8 #include <linux/ktime.h>
9 #include "../mt76_connac_mcu.h"
10 #include "regs.h"
11 #include "acpi_sar.h"
12
13 #define MT7921_MAX_INTERFACES 4
14 #define MT7921_WTBL_SIZE 20
15 #define MT7921_WTBL_RESERVED (MT7921_WTBL_SIZE - 1)
16 #define MT7921_WTBL_STA (MT7921_WTBL_RESERVED - \
17 MT7921_MAX_INTERFACES)
18
19 #define MT7921_PM_TIMEOUT (HZ / 12)
20 #define MT7921_HW_SCAN_TIMEOUT (HZ / 10)
21 #define MT7921_WATCHDOG_TIME (HZ / 4)
22 #define MT7921_RESET_TIMEOUT (30 * HZ)
23
24 #define MT7921_TX_RING_SIZE 2048
25 #define MT7921_TX_MCU_RING_SIZE 256
26 #define MT7921_TX_FWDL_RING_SIZE 128
27
28 #define MT7921_RX_RING_SIZE 1536
29 #define MT7921_RX_MCU_RING_SIZE 512
30
31 #define MT7921_DRV_OWN_RETRY_COUNT 10
32 #define MT7921_MCU_INIT_RETRY_COUNT 10
33 #define MT7921_WFSYS_INIT_RETRY_COUNT 2
34
35 #define MT7921_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7961_1.bin"
36 #define MT7921_ROM_PATCH "mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin"
37
38 #define MT7922_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7922_1.bin"
39 #define MT7922_ROM_PATCH "mediatek/WIFI_MT7922_patch_mcu_1_1_hdr.bin"
40
41 #define MT7921_EEPROM_SIZE 3584
42 #define MT7921_TOKEN_SIZE 8192
43
44 #define MT7921_EEPROM_BLOCK_SIZE 16
45
46 #define MT7921_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */
47 #define MT7921_CFEND_RATE_11B 0x03 /* 11B LP, 11M */
48
49 #define MT7921_SKU_RATE_NUM 161
50 #define MT7921_SKU_MAX_DELTA_IDX MT7921_SKU_RATE_NUM
51 #define MT7921_SKU_TABLE_SIZE (MT7921_SKU_RATE_NUM + 1)
52
53 #define MT7921_SDIO_HDR_TX_BYTES GENMASK(15, 0)
54 #define MT7921_SDIO_HDR_PKT_TYPE GENMASK(17, 16)
55
56 enum mt7921_sdio_pkt_type {
57 MT7921_SDIO_TXD,
58 MT7921_SDIO_DATA,
59 MT7921_SDIO_CMD,
60 MT7921_SDIO_FWDL,
61 };
62
63 struct mt7921_sdio_intr {
64 u32 isr;
65 struct {
66 u32 wtqcr[16];
67 } tx;
68 struct {
69 u16 num[2];
70 u16 len0[16];
71 u16 len1[128];
72 } rx;
73 u32 rec_mb[2];
74 } __packed;
75
76 #define to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2)
77 #define to_rcpi(rssi) (2 * (rssi) + 220)
78
79 struct mt7921_vif;
80 struct mt7921_sta;
81
82 enum mt7921_txq_id {
83 MT7921_TXQ_BAND0,
84 MT7921_TXQ_BAND1,
85 MT7921_TXQ_FWDL = 16,
86 MT7921_TXQ_MCU_WM,
87 };
88
89 enum mt7921_rxq_id {
90 MT7921_RXQ_BAND0 = 0,
91 MT7921_RXQ_BAND1,
92 MT7921_RXQ_MCU_WM = 0,
93 };
94
95 struct mt7921_sta {
96 struct mt76_wcid wcid; /* must be first */
97
98 struct mt7921_vif *vif;
99
100 struct list_head poll_list;
101 u32 airtime_ac[8];
102
103 unsigned long last_txs;
104 unsigned long ampdu_state;
105
106 struct mt76_connac_sta_key_conf bip;
107 };
108
109 DECLARE_EWMA(rssi, 10, 8);
110
111 struct mt7921_vif {
112 struct mt76_vif mt76; /* must be first */
113
114 struct mt7921_sta sta;
115 struct mt7921_sta *wep_sta;
116
117 struct mt7921_phy *phy;
118
119 struct ewma_rssi rssi;
120
121 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
122 };
123
124 struct mib_stats {
125 u32 ack_fail_cnt;
126 u32 fcs_err_cnt;
127 u32 rts_cnt;
128 u32 rts_retries_cnt;
129 u32 ba_miss_cnt;
130
131 u32 tx_bf_ibf_ppdu_cnt;
132 u32 tx_bf_ebf_ppdu_cnt;
133 u32 tx_bf_rx_fb_all_cnt;
134 u32 tx_bf_rx_fb_he_cnt;
135 u32 tx_bf_rx_fb_vht_cnt;
136 u32 tx_bf_rx_fb_ht_cnt;
137
138 u32 tx_ampdu_cnt;
139 u32 tx_mpdu_attempts_cnt;
140 u32 tx_mpdu_success_cnt;
141 u32 tx_pkt_ebf_cnt;
142 u32 tx_pkt_ibf_cnt;
143
144 u32 rx_mpdu_cnt;
145 u32 rx_ampdu_cnt;
146 u32 rx_ampdu_bytes_cnt;
147 u32 rx_ba_cnt;
148
149 u32 tx_amsdu[8];
150 u32 tx_amsdu_cnt;
151 };
152
153 enum {
154 MT7921_CLC_POWER,
155 MT7921_CLC_CHAN,
156 MT7921_CLC_MAX_NUM,
157 };
158
159 struct mt7921_clc_rule {
160 u8 alpha2[2];
161 u8 type[2];
162 __le16 len;
163 u8 data[];
164 } __packed;
165
166 struct mt7921_clc {
167 __le32 len;
168 u8 idx;
169 u8 ver;
170 u8 nr_country;
171 u8 type;
172 u8 rsv[8];
173 u8 data[];
174 } __packed;
175
176 struct mt7921_phy {
177 struct mt76_phy *mt76;
178 struct mt7921_dev *dev;
179
180 struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES];
181
182 u64 omac_mask;
183
184 u16 noise;
185
186 s16 coverage_class;
187 u8 slottime;
188
189 u32 rx_ampdu_ts;
190 u32 ampdu_ref;
191
192 struct mib_stats mib;
193
194 u8 sta_work_count;
195
196 struct sk_buff_head scan_event_list;
197 struct delayed_work scan_work;
198 #ifdef CONFIG_ACPI
199 struct mt7921_acpi_sar *acpisar;
200 #endif
201
202 struct mt7921_clc *clc[MT7921_CLC_MAX_NUM];
203 };
204
205 #define mt7921_init_reset(dev) ((dev)->hif_ops->init_reset(dev))
206 #define mt7921_dev_reset(dev) ((dev)->hif_ops->reset(dev))
207 #define mt7921_mcu_init(dev) ((dev)->hif_ops->mcu_init(dev))
208 #define __mt7921_mcu_drv_pmctrl(dev) ((dev)->hif_ops->drv_own(dev))
209 #define __mt7921_mcu_fw_pmctrl(dev) ((dev)->hif_ops->fw_own(dev))
210 struct mt7921_hif_ops {
211 int (*init_reset)(struct mt7921_dev *dev);
212 int (*reset)(struct mt7921_dev *dev);
213 int (*mcu_init)(struct mt7921_dev *dev);
214 int (*drv_own)(struct mt7921_dev *dev);
215 int (*fw_own)(struct mt7921_dev *dev);
216 };
217
218 struct mt7921_dev {
219 union { /* must be first */
220 struct mt76_dev mt76;
221 struct mt76_phy mphy;
222 };
223
224 const struct mt76_bus_ops *bus_ops;
225 struct mt7921_phy phy;
226 struct tasklet_struct irq_tasklet;
227
228 struct work_struct reset_work;
229 bool hw_full_reset:1;
230 bool hw_init_done:1;
231 bool fw_assert:1;
232
233 struct list_head sta_poll_list;
234 spinlock_t sta_poll_lock;
235
236 struct work_struct init_work;
237
238 u8 fw_debug;
239
240 struct mt76_connac_pm pm;
241 struct mt76_connac_coredump coredump;
242 const struct mt7921_hif_ops *hif_ops;
243
244 struct work_struct ipv6_ns_work;
245 /* IPv6 addresses for WoWLAN */
246 struct sk_buff_head ipv6_ns_list;
247
248 enum environment_cap country_ie_env;
249 };
250
251 enum {
252 TXPWR_USER,
253 TXPWR_EEPROM,
254 TXPWR_MAC,
255 TXPWR_MAX_NUM,
256 };
257
258 struct mt7921_txpwr {
259 u8 ch;
260 u8 rsv[3];
261 struct {
262 u8 ch;
263 u8 cck[4];
264 u8 ofdm[8];
265 u8 ht20[8];
266 u8 ht40[9];
267 u8 vht20[12];
268 u8 vht40[12];
269 u8 vht80[12];
270 u8 vht160[12];
271 u8 he26[12];
272 u8 he52[12];
273 u8 he106[12];
274 u8 he242[12];
275 u8 he484[12];
276 u8 he996[12];
277 u8 he996x2[12];
278 } data[TXPWR_MAX_NUM];
279 };
280
281 static inline struct mt7921_phy *
mt7921_hw_phy(struct ieee80211_hw * hw)282 mt7921_hw_phy(struct ieee80211_hw *hw)
283 {
284 struct mt76_phy *phy = hw->priv;
285
286 return phy->priv;
287 }
288
289 static inline struct mt7921_dev *
mt7921_hw_dev(struct ieee80211_hw * hw)290 mt7921_hw_dev(struct ieee80211_hw *hw)
291 {
292 struct mt76_phy *phy = hw->priv;
293
294 return container_of(phy->dev, struct mt7921_dev, mt76);
295 }
296
297 #define mt7921_mutex_acquire(dev) \
298 mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm)
299 #define mt7921_mutex_release(dev) \
300 mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm)
301
302 extern const struct ieee80211_ops mt7921_ops;
303
304 u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr);
305
306 int __mt7921_start(struct mt7921_phy *phy);
307 int mt7921_register_device(struct mt7921_dev *dev);
308 void mt7921_unregister_device(struct mt7921_dev *dev);
309 int mt7921_dma_init(struct mt7921_dev *dev);
310 int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
311 int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev);
312 void mt7921_dma_cleanup(struct mt7921_dev *dev);
313 int mt7921_run_firmware(struct mt7921_dev *dev);
314 int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif,
315 bool enable);
316 int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta,
317 struct ieee80211_vif *vif, bool enable,
318 enum mt76_sta_info_state state);
319 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd);
320 int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif);
321 int mt7921_mcu_set_eeprom(struct mt7921_dev *dev);
322 int mt7921_mcu_get_rx_rate(struct mt7921_phy *phy, struct ieee80211_vif *vif,
323 struct ieee80211_sta *sta, struct rate_info *rate);
324 int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl);
325 void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb);
326
mt7921_irq_enable(struct mt7921_dev * dev,u32 mask)327 static inline void mt7921_irq_enable(struct mt7921_dev *dev, u32 mask)
328 {
329 mt76_set_irq_mask(&dev->mt76, 0, 0, mask);
330
331 tasklet_schedule(&dev->irq_tasklet);
332 }
333
334 static inline u32
mt7921_reg_map_l1(struct mt7921_dev * dev,u32 addr)335 mt7921_reg_map_l1(struct mt7921_dev *dev, u32 addr)
336 {
337 u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
338 u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
339
340 mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
341 /* use read to push write */
342 mt76_rr(dev, MT_HIF_REMAP_L1);
343
344 return MT_HIF_REMAP_BASE_L1 + offset;
345 }
346
347 static inline u32
mt7921_l1_rr(struct mt7921_dev * dev,u32 addr)348 mt7921_l1_rr(struct mt7921_dev *dev, u32 addr)
349 {
350 return mt76_rr(dev, mt7921_reg_map_l1(dev, addr));
351 }
352
353 static inline void
mt7921_l1_wr(struct mt7921_dev * dev,u32 addr,u32 val)354 mt7921_l1_wr(struct mt7921_dev *dev, u32 addr, u32 val)
355 {
356 mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val);
357 }
358
359 static inline u32
mt7921_l1_rmw(struct mt7921_dev * dev,u32 addr,u32 mask,u32 val)360 mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val)
361 {
362 val |= mt7921_l1_rr(dev, addr) & ~mask;
363 mt7921_l1_wr(dev, addr, val);
364
365 return val;
366 }
367
368 #define mt7921_l1_set(dev, addr, val) mt7921_l1_rmw(dev, addr, 0, val)
369 #define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0)
370
mt7921_dma_need_reinit(struct mt7921_dev * dev)371 static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev)
372 {
373 return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
374 }
375
376 static inline void
mt7921_skb_add_usb_sdio_hdr(struct mt7921_dev * dev,struct sk_buff * skb,int type)377 mt7921_skb_add_usb_sdio_hdr(struct mt7921_dev *dev, struct sk_buff *skb,
378 int type)
379 {
380 u32 hdr, len;
381
382 len = mt76_is_usb(&dev->mt76) ? skb->len : skb->len + sizeof(hdr);
383 hdr = FIELD_PREP(MT7921_SDIO_HDR_TX_BYTES, len) |
384 FIELD_PREP(MT7921_SDIO_HDR_PKT_TYPE, type);
385
386 put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr)));
387 }
388
389 void mt7921_stop(struct ieee80211_hw *hw);
390 int mt7921_mac_init(struct mt7921_dev *dev);
391 bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
392 void mt7921_mac_reset_counters(struct mt7921_phy *phy);
393 void mt7921_mac_set_timing(struct mt7921_phy *phy);
394 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
395 struct ieee80211_sta *sta);
396 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
397 struct ieee80211_sta *sta);
398 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
399 struct ieee80211_sta *sta);
400 void mt7921_mac_work(struct work_struct *work);
401 void mt7921_mac_reset_work(struct work_struct *work);
402 void mt7921_mac_update_mib_stats(struct mt7921_phy *phy);
403 void mt7921_reset(struct mt76_dev *mdev);
404 int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
405 enum mt76_txq_id qid, struct mt76_wcid *wcid,
406 struct ieee80211_sta *sta,
407 struct mt76_tx_info *tx_info);
408
409 void mt7921_tx_worker(struct mt76_worker *w);
410 void mt7921_tx_token_put(struct mt7921_dev *dev);
411 bool mt7921_rx_check(struct mt76_dev *mdev, void *data, int len);
412 void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
413 struct sk_buff *skb);
414 void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
415 void mt7921_stats_work(struct work_struct *work);
416 void mt7921_set_stream_he_caps(struct mt7921_phy *phy);
417 void mt7921_update_channel(struct mt76_phy *mphy);
418 int mt7921_init_debugfs(struct mt7921_dev *dev);
419
420 int mt7921_mcu_set_beacon_filter(struct mt7921_dev *dev,
421 struct ieee80211_vif *vif,
422 bool enable);
423 int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev,
424 struct ieee80211_ampdu_params *params,
425 bool enable);
426 int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
427 struct ieee80211_ampdu_params *params,
428 bool enable);
429 void mt7921_scan_work(struct work_struct *work);
430 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
431 int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev);
432 int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev);
433 void mt7921_pm_wake_work(struct work_struct *work);
434 void mt7921_pm_power_save_work(struct work_struct *work);
435 void mt7921_coredump_work(struct work_struct *work);
436 int mt7921_wfsys_reset(struct mt7921_dev *dev);
437 int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr);
438 int mt7921_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
439 void *data, int len);
440 int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg,
441 struct netlink_callback *cb, void *data, int len);
442 void mt7921_txwi_free(struct mt7921_dev *dev, struct mt76_txwi_cache *t,
443 struct ieee80211_sta *sta, bool clear_status,
444 struct list_head *free_list);
445 void mt7921_mac_sta_poll(struct mt7921_dev *dev);
446 int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
447 struct sk_buff *skb, int seq);
448
449 int mt7921e_driver_own(struct mt7921_dev *dev);
450 int mt7921e_mac_reset(struct mt7921_dev *dev);
451 int mt7921e_mcu_init(struct mt7921_dev *dev);
452 int mt7921s_wfsys_reset(struct mt7921_dev *dev);
453 int mt7921s_mac_reset(struct mt7921_dev *dev);
454 int mt7921s_init_reset(struct mt7921_dev *dev);
455 int __mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev);
456 int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev);
457 int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev);
458
459 int mt7921s_mcu_init(struct mt7921_dev *dev);
460 int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev);
461 int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev);
462 void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data);
463 void mt7921_set_runtime_pm(struct mt7921_dev *dev);
464 void mt7921_mcu_set_suspend_iter(void *priv, u8 *mac,
465 struct ieee80211_vif *vif);
466 void mt7921_set_ipv6_ns_work(struct work_struct *work);
467
468 int mt7921_mcu_set_sniffer(struct mt7921_dev *dev, struct ieee80211_vif *vif,
469 bool enable);
470
471 int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
472 enum mt76_txq_id qid, struct mt76_wcid *wcid,
473 struct ieee80211_sta *sta,
474 struct mt76_tx_info *tx_info);
475 void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
476 struct mt76_queue_entry *e);
477 bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update);
478
479 /* usb */
480 #define MT_USB_TYPE_VENDOR (USB_TYPE_VENDOR | 0x1f)
481 #define MT_USB_TYPE_UHW_VENDOR (USB_TYPE_VENDOR | 0x1e)
482
483 int mt7921u_mcu_power_on(struct mt7921_dev *dev);
484 int mt7921u_wfsys_reset(struct mt7921_dev *dev);
485 int mt7921u_dma_init(struct mt7921_dev *dev, bool resume);
486 int mt7921u_init_reset(struct mt7921_dev *dev);
487 int mt7921u_mac_reset(struct mt7921_dev *dev);
488 int mt7921_mcu_uni_add_beacon_offload(struct mt7921_dev *dev,
489 struct ieee80211_hw *hw,
490 struct ieee80211_vif *vif,
491 bool enable);
492 #ifdef CONFIG_ACPI
493 int mt7921_init_acpi_sar(struct mt7921_dev *dev);
494 int mt7921_init_acpi_sar_power(struct mt7921_phy *phy, bool set_default);
495 #else
496 static inline int
mt7921_init_acpi_sar(struct mt7921_dev * dev)497 mt7921_init_acpi_sar(struct mt7921_dev *dev)
498 {
499 return 0;
500 }
501
502 static inline int
mt7921_init_acpi_sar_power(struct mt7921_phy * phy,bool set_default)503 mt7921_init_acpi_sar_power(struct mt7921_phy *phy, bool set_default)
504 {
505 return 0;
506 }
507 #endif
508 int mt7921_set_tx_sar_pwr(struct ieee80211_hw *hw,
509 const struct cfg80211_sar_specs *sar);
510
511 int mt7921_mcu_set_clc(struct mt7921_dev *dev, u8 *alpha2,
512 enum environment_cap env_cap);
513 #endif
514