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
12 #define MT7921_MAX_INTERFACES 4
13 #define MT7921_MAX_WMM_SETS 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
34 #define MT7921_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7961_1.bin"
35 #define MT7921_ROM_PATCH "mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin"
36
37 #define MT7922_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7922_1.bin"
38 #define MT7922_ROM_PATCH "mediatek/WIFI_MT7922_patch_mcu_1_1_hdr.bin"
39
40 #define MT7921_EEPROM_SIZE 3584
41 #define MT7921_TOKEN_SIZE 8192
42
43 #define MT7921_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */
44 #define MT7921_CFEND_RATE_11B 0x03 /* 11B LP, 11M */
45
46 #define MT7921_SKU_RATE_NUM 161
47 #define MT7921_SKU_MAX_DELTA_IDX MT7921_SKU_RATE_NUM
48 #define MT7921_SKU_TABLE_SIZE (MT7921_SKU_RATE_NUM + 1)
49
50 #define MT7921_SDIO_HDR_TX_BYTES GENMASK(15, 0)
51 #define MT7921_SDIO_HDR_PKT_TYPE GENMASK(17, 16)
52
53 enum mt7921_sdio_pkt_type {
54 MT7921_SDIO_TXD,
55 MT7921_SDIO_DATA,
56 MT7921_SDIO_CMD,
57 MT7921_SDIO_FWDL,
58 };
59
60 struct mt7921_sdio_intr {
61 u32 isr;
62 struct {
63 u32 wtqcr[16];
64 } tx;
65 struct {
66 u16 num[2];
67 u16 len0[16];
68 u16 len1[128];
69 } rx;
70 u32 rec_mb[2];
71 } __packed;
72
73 #define to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2)
74 #define to_rcpi(rssi) (2 * (rssi) + 220)
75
76 struct mt7921_vif;
77 struct mt7921_sta;
78
79 enum mt7921_txq_id {
80 MT7921_TXQ_BAND0,
81 MT7921_TXQ_BAND1,
82 MT7921_TXQ_FWDL = 16,
83 MT7921_TXQ_MCU_WM,
84 };
85
86 enum mt7921_rxq_id {
87 MT7921_RXQ_BAND0 = 0,
88 MT7921_RXQ_BAND1,
89 MT7921_RXQ_MCU_WM = 0,
90 };
91
92 struct mt7921_sta_key_conf {
93 s8 keyidx;
94 u8 key[16];
95 };
96
97 struct mt7921_sta {
98 struct mt76_wcid wcid; /* must be first */
99
100 struct mt7921_vif *vif;
101
102 struct list_head poll_list;
103 u32 airtime_ac[8];
104
105 unsigned long last_txs;
106 unsigned long ampdu_state;
107 struct mt76_sta_stats stats;
108
109 struct mt7921_sta_key_conf bip;
110 };
111
112 DECLARE_EWMA(rssi, 10, 8);
113
114 struct mt7921_vif {
115 struct mt76_vif mt76; /* must be first */
116
117 struct mt7921_sta sta;
118 struct mt7921_sta *wep_sta;
119
120 struct mt7921_phy *phy;
121
122 struct ewma_rssi rssi;
123
124 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
125 };
126
127 struct mib_stats {
128 u32 ack_fail_cnt;
129 u32 fcs_err_cnt;
130 u32 rts_cnt;
131 u32 rts_retries_cnt;
132 u32 ba_miss_cnt;
133
134 u32 tx_bf_ibf_ppdu_cnt;
135 u32 tx_bf_ebf_ppdu_cnt;
136 u32 tx_bf_rx_fb_all_cnt;
137 u32 tx_bf_rx_fb_he_cnt;
138 u32 tx_bf_rx_fb_vht_cnt;
139 u32 tx_bf_rx_fb_ht_cnt;
140
141 u32 tx_ampdu_cnt;
142 u32 tx_mpdu_attempts_cnt;
143 u32 tx_mpdu_success_cnt;
144 u32 tx_pkt_ebf_cnt;
145 u32 tx_pkt_ibf_cnt;
146
147 u32 rx_mpdu_cnt;
148 u32 rx_ampdu_cnt;
149 u32 rx_ampdu_bytes_cnt;
150 u32 rx_ba_cnt;
151
152 u32 tx_amsdu[8];
153 u32 tx_amsdu_cnt;
154 };
155
156 struct mt7921_phy {
157 struct mt76_phy *mt76;
158 struct mt7921_dev *dev;
159
160 struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES];
161
162 u32 rxfilter;
163 u64 omac_mask;
164
165 u16 noise;
166
167 s16 coverage_class;
168 u8 slottime;
169
170 u32 rx_ampdu_ts;
171 u32 ampdu_ref;
172
173 struct mib_stats mib;
174
175 u8 sta_work_count;
176
177 struct sk_buff_head scan_event_list;
178 struct delayed_work scan_work;
179 };
180
181 #define mt7921_init_reset(dev) ((dev)->hif_ops->init_reset(dev))
182 #define mt7921_dev_reset(dev) ((dev)->hif_ops->reset(dev))
183 #define mt7921_mcu_init(dev) ((dev)->hif_ops->mcu_init(dev))
184 #define __mt7921_mcu_drv_pmctrl(dev) ((dev)->hif_ops->drv_own(dev))
185 #define __mt7921_mcu_fw_pmctrl(dev) ((dev)->hif_ops->fw_own(dev))
186 struct mt7921_hif_ops {
187 int (*init_reset)(struct mt7921_dev *dev);
188 int (*reset)(struct mt7921_dev *dev);
189 int (*mcu_init)(struct mt7921_dev *dev);
190 int (*drv_own)(struct mt7921_dev *dev);
191 int (*fw_own)(struct mt7921_dev *dev);
192 };
193
194 struct mt7921_dev {
195 union { /* must be first */
196 struct mt76_dev mt76;
197 struct mt76_phy mphy;
198 };
199
200 const struct mt76_bus_ops *bus_ops;
201 struct mt7921_phy phy;
202 struct tasklet_struct irq_tasklet;
203
204 struct work_struct reset_work;
205 bool hw_full_reset:1;
206 bool hw_init_done:1;
207 bool fw_assert:1;
208
209 struct list_head sta_poll_list;
210 spinlock_t sta_poll_lock;
211
212 u8 fw_debug;
213
214 struct mt76_connac_pm pm;
215 struct mt76_connac_coredump coredump;
216 const struct mt7921_hif_ops *hif_ops;
217 };
218
219 enum {
220 TXPWR_USER,
221 TXPWR_EEPROM,
222 TXPWR_MAC,
223 TXPWR_MAX_NUM,
224 };
225
226 struct mt7921_txpwr {
227 u8 ch;
228 u8 rsv[3];
229 struct {
230 u8 ch;
231 u8 cck[4];
232 u8 ofdm[8];
233 u8 ht20[8];
234 u8 ht40[9];
235 u8 vht20[12];
236 u8 vht40[12];
237 u8 vht80[12];
238 u8 vht160[12];
239 u8 he26[12];
240 u8 he52[12];
241 u8 he106[12];
242 u8 he242[12];
243 u8 he484[12];
244 u8 he996[12];
245 u8 he996x2[12];
246 } data[TXPWR_MAX_NUM];
247 };
248
249 enum {
250 MT_LMAC_AC00,
251 MT_LMAC_AC01,
252 MT_LMAC_AC02,
253 MT_LMAC_AC03,
254 MT_LMAC_ALTX0 = 0x10,
255 MT_LMAC_BMC0,
256 MT_LMAC_BCN0,
257 };
258
259 static inline struct mt7921_phy *
mt7921_hw_phy(struct ieee80211_hw * hw)260 mt7921_hw_phy(struct ieee80211_hw *hw)
261 {
262 struct mt76_phy *phy = hw->priv;
263
264 return phy->priv;
265 }
266
267 static inline struct mt7921_dev *
mt7921_hw_dev(struct ieee80211_hw * hw)268 mt7921_hw_dev(struct ieee80211_hw *hw)
269 {
270 struct mt76_phy *phy = hw->priv;
271
272 return container_of(phy->dev, struct mt7921_dev, mt76);
273 }
274
275 #define mt7921_mutex_acquire(dev) \
276 mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm)
277 #define mt7921_mutex_release(dev) \
278 mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm)
279
mt7921_lmac_mapping(struct mt7921_dev * dev,u8 ac)280 static inline u8 mt7921_lmac_mapping(struct mt7921_dev *dev, u8 ac)
281 {
282 /* LMAC uses the reverse order of mac80211 AC indexes */
283 return 3 - ac;
284 }
285
286 extern const struct ieee80211_ops mt7921_ops;
287 extern struct pci_driver mt7921_pci_driver;
288
289 u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr);
290
291 int __mt7921_start(struct mt7921_phy *phy);
292 int mt7921_register_device(struct mt7921_dev *dev);
293 void mt7921_unregister_device(struct mt7921_dev *dev);
294 int mt7921_dma_init(struct mt7921_dev *dev);
295 int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
296 int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev);
297 void mt7921_dma_cleanup(struct mt7921_dev *dev);
298 int mt7921_run_firmware(struct mt7921_dev *dev);
299 int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif,
300 struct mt7921_sta *msta, struct ieee80211_key_conf *key,
301 enum set_key_cmd cmd);
302 int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta,
303 struct ieee80211_vif *vif, bool enable,
304 enum mt76_sta_info_state state);
305 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd);
306 int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif);
307 int mt7921_mcu_set_eeprom(struct mt7921_dev *dev);
308 int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset);
309 int mt7921_mcu_get_rx_rate(struct mt7921_phy *phy, struct ieee80211_vif *vif,
310 struct ieee80211_sta *sta, struct rate_info *rate);
311 int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl);
312 void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb);
313 void mt7921_mcu_exit(struct mt7921_dev *dev);
314
mt7921_irq_enable(struct mt7921_dev * dev,u32 mask)315 static inline void mt7921_irq_enable(struct mt7921_dev *dev, u32 mask)
316 {
317 mt76_set_irq_mask(&dev->mt76, 0, 0, mask);
318
319 tasklet_schedule(&dev->irq_tasklet);
320 }
321
322 static inline u32
mt7921_reg_map_l1(struct mt7921_dev * dev,u32 addr)323 mt7921_reg_map_l1(struct mt7921_dev *dev, u32 addr)
324 {
325 u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
326 u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
327
328 mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
329 /* use read to push write */
330 mt76_rr(dev, MT_HIF_REMAP_L1);
331
332 return MT_HIF_REMAP_BASE_L1 + offset;
333 }
334
335 static inline u32
mt7921_l1_rr(struct mt7921_dev * dev,u32 addr)336 mt7921_l1_rr(struct mt7921_dev *dev, u32 addr)
337 {
338 return mt76_rr(dev, mt7921_reg_map_l1(dev, addr));
339 }
340
341 static inline void
mt7921_l1_wr(struct mt7921_dev * dev,u32 addr,u32 val)342 mt7921_l1_wr(struct mt7921_dev *dev, u32 addr, u32 val)
343 {
344 mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val);
345 }
346
347 static inline u32
mt7921_l1_rmw(struct mt7921_dev * dev,u32 addr,u32 mask,u32 val)348 mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val)
349 {
350 val |= mt7921_l1_rr(dev, addr) & ~mask;
351 mt7921_l1_wr(dev, addr, val);
352
353 return val;
354 }
355
356 #define mt7921_l1_set(dev, addr, val) mt7921_l1_rmw(dev, addr, 0, val)
357 #define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0)
358
mt7921_dma_need_reinit(struct mt7921_dev * dev)359 static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev)
360 {
361 return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
362 }
363
mt7921_mcu_tx_cleanup(struct mt7921_dev * dev)364 static inline void mt7921_mcu_tx_cleanup(struct mt7921_dev *dev)
365 {
366 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WM], false);
367 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], false);
368 }
369
mt7921_skb_add_sdio_hdr(struct sk_buff * skb,enum mt7921_sdio_pkt_type type)370 static inline void mt7921_skb_add_sdio_hdr(struct sk_buff *skb,
371 enum mt7921_sdio_pkt_type type)
372 {
373 u32 hdr;
374
375 hdr = FIELD_PREP(MT7921_SDIO_HDR_TX_BYTES, skb->len + sizeof(hdr)) |
376 FIELD_PREP(MT7921_SDIO_HDR_PKT_TYPE, type);
377
378 put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr)));
379 }
380
381 int mt7921_mac_init(struct mt7921_dev *dev);
382 bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
383 void mt7921_mac_reset_counters(struct mt7921_phy *phy);
384 void mt7921_mac_set_timing(struct mt7921_phy *phy);
385 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
386 struct ieee80211_sta *sta);
387 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
388 struct ieee80211_sta *sta);
389 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
390 struct ieee80211_sta *sta);
391 void mt7921_mac_work(struct work_struct *work);
392 void mt7921_mac_reset_work(struct work_struct *work);
393 void mt7921_mac_update_mib_stats(struct mt7921_phy *phy);
394 void mt7921_reset(struct mt76_dev *mdev);
395 int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
396 enum mt76_txq_id qid, struct mt76_wcid *wcid,
397 struct ieee80211_sta *sta,
398 struct mt76_tx_info *tx_info);
399
400 void mt7921_tx_worker(struct mt76_worker *w);
401 void mt7921e_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
402 int mt7921_init_tx_queues(struct mt7921_phy *phy, int idx, int n_desc);
403 void mt7921_tx_token_put(struct mt7921_dev *dev);
404 void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
405 struct sk_buff *skb);
406 void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
407 void mt7921_stats_work(struct work_struct *work);
408 void mt7921_set_stream_he_caps(struct mt7921_phy *phy);
409 void mt7921_update_channel(struct mt76_phy *mphy);
410 int mt7921_init_debugfs(struct mt7921_dev *dev);
411
412 int mt7921_mcu_set_beacon_filter(struct mt7921_dev *dev,
413 struct ieee80211_vif *vif,
414 bool enable);
415 int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev,
416 struct ieee80211_ampdu_params *params,
417 bool enable);
418 int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
419 struct ieee80211_ampdu_params *params,
420 bool enable);
421 void mt7921_scan_work(struct work_struct *work);
422 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
423 int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev);
424 int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev);
425 void mt7921_pm_wake_work(struct work_struct *work);
426 void mt7921_pm_power_save_work(struct work_struct *work);
427 bool mt7921_wait_for_mcu_init(struct mt7921_dev *dev);
428 void mt7921_coredump_work(struct work_struct *work);
429 int mt7921_wfsys_reset(struct mt7921_dev *dev);
430 int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr);
431 int mt7921_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
432 void *data, int len);
433 int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg,
434 struct netlink_callback *cb, void *data, int len);
435 void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
436 struct sk_buff *skb, struct mt76_wcid *wcid,
437 struct ieee80211_key_conf *key, int pid,
438 bool beacon);
439 void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi);
440 void mt7921_mac_sta_poll(struct mt7921_dev *dev);
441 int mt7921_mcu_fill_message(struct mt76_dev *mdev, struct sk_buff *skb,
442 int cmd, int *wait_seq);
443 int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
444 struct sk_buff *skb, int seq);
445 int mt7921_mcu_restart(struct mt76_dev *dev);
446
447 void mt7921e_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
448 struct sk_buff *skb);
449 int mt7921e_mac_reset(struct mt7921_dev *dev);
450 int mt7921e_mcu_init(struct mt7921_dev *dev);
451 int mt7921s_wfsys_reset(struct mt7921_dev *dev);
452 int mt7921s_mac_reset(struct mt7921_dev *dev);
453 int mt7921s_init_reset(struct mt7921_dev *dev);
454 int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev);
455 int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev);
456
457 int mt7921s_mcu_init(struct mt7921_dev *dev);
458 int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev);
459 int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev);
460 int mt7921s_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
461 enum mt76_txq_id qid, struct mt76_wcid *wcid,
462 struct ieee80211_sta *sta,
463 struct mt76_tx_info *tx_info);
464 void mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
465 bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update);
466 #endif
467