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
33 #define MT7921_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7961_1.bin"
34 #define MT7921_ROM_PATCH "mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin"
35
36 #define MT7921_EEPROM_SIZE 3584
37 #define MT7921_TOKEN_SIZE 8192
38
39 #define MT7921_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */
40 #define MT7921_CFEND_RATE_11B 0x03 /* 11B LP, 11M */
41 #define MT7921_5G_RATE_DEFAULT 0x4b /* OFDM 6M */
42 #define MT7921_2G_RATE_DEFAULT 0x0 /* CCK 1M */
43
44 #define MT7921_SKU_RATE_NUM 161
45 #define MT7921_SKU_MAX_DELTA_IDX MT7921_SKU_RATE_NUM
46 #define MT7921_SKU_TABLE_SIZE (MT7921_SKU_RATE_NUM + 1)
47
48 #define to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2)
49 #define to_rcpi(rssi) (2 * (rssi) + 220)
50
51 struct mt7921_vif;
52 struct mt7921_sta;
53
54 enum mt7921_txq_id {
55 MT7921_TXQ_BAND0,
56 MT7921_TXQ_BAND1,
57 MT7921_TXQ_FWDL = 16,
58 MT7921_TXQ_MCU_WM,
59 };
60
61 enum mt7921_rxq_id {
62 MT7921_RXQ_BAND0 = 0,
63 MT7921_RXQ_BAND1,
64 MT7921_RXQ_MCU_WM = 0,
65 };
66
67 struct mt7921_sta_stats {
68 struct rate_info prob_rate;
69 struct rate_info tx_rate;
70
71 unsigned long per;
72 unsigned long changed;
73 unsigned long jiffies;
74 };
75
76 struct mt7921_sta_key_conf {
77 s8 keyidx;
78 u8 key[16];
79 };
80
81 struct mt7921_sta {
82 struct mt76_wcid wcid; /* must be first */
83
84 struct mt7921_vif *vif;
85
86 struct list_head stats_list;
87 struct list_head poll_list;
88 u32 airtime_ac[8];
89
90 struct mt7921_sta_stats stats;
91
92 unsigned long ampdu_state;
93
94 struct mt7921_sta_key_conf bip;
95
96 unsigned long next_txs_ts;
97 };
98
99 DECLARE_EWMA(rssi, 10, 8);
100
101 struct mt7921_vif {
102 struct mt76_vif mt76; /* must be first */
103
104 struct mt7921_sta sta;
105 struct mt7921_sta *wep_sta;
106
107 struct mt7921_phy *phy;
108
109 struct ewma_rssi rssi;
110
111 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
112 };
113
114 struct mib_stats {
115 u32 ack_fail_cnt;
116 u32 fcs_err_cnt;
117 u32 rts_cnt;
118 u32 rts_retries_cnt;
119 u32 ba_miss_cnt;
120 };
121
122 struct mt7921_phy {
123 struct mt76_phy *mt76;
124 struct mt7921_dev *dev;
125
126 struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES];
127
128 struct ieee80211_vif *monitor_vif;
129
130 u32 rxfilter;
131 u64 omac_mask;
132
133 u16 noise;
134
135 s16 coverage_class;
136 u8 slottime;
137
138 u32 rx_ampdu_ts;
139 u32 ampdu_ref;
140
141 struct mib_stats mib;
142 struct list_head stats_list;
143
144 u8 sta_work_count;
145
146 struct sk_buff_head scan_event_list;
147 struct delayed_work scan_work;
148 };
149
150 struct mt7921_dev {
151 union { /* must be first */
152 struct mt76_dev mt76;
153 struct mt76_phy mphy;
154 };
155
156 const struct mt76_bus_ops *bus_ops;
157 struct mt7921_phy phy;
158 struct tasklet_struct irq_tasklet;
159
160 u16 chainmask;
161
162 struct work_struct reset_work;
163 bool hw_full_reset:1;
164 bool hw_init_done:1;
165
166 struct list_head sta_poll_list;
167 spinlock_t sta_poll_lock;
168
169 u8 fw_debug;
170
171 struct mt76_connac_pm pm;
172 struct mt76_connac_coredump coredump;
173 };
174
175 enum {
176 TXPWR_USER,
177 TXPWR_EEPROM,
178 TXPWR_MAC,
179 TXPWR_MAX_NUM,
180 };
181
182 struct mt7921_txpwr {
183 u8 ch;
184 u8 rsv[3];
185 struct {
186 u8 ch;
187 u8 cck[4];
188 u8 ofdm[8];
189 u8 ht20[8];
190 u8 ht40[9];
191 u8 vht20[12];
192 u8 vht40[12];
193 u8 vht80[12];
194 u8 vht160[12];
195 u8 he26[12];
196 u8 he52[12];
197 u8 he106[12];
198 u8 he242[12];
199 u8 he484[12];
200 u8 he996[12];
201 u8 he996x2[12];
202 } data[TXPWR_MAX_NUM];
203 };
204
205 enum {
206 MT_LMAC_AC00,
207 MT_LMAC_AC01,
208 MT_LMAC_AC02,
209 MT_LMAC_AC03,
210 MT_LMAC_ALTX0 = 0x10,
211 MT_LMAC_BMC0,
212 MT_LMAC_BCN0,
213 };
214
215 static inline struct mt7921_phy *
mt7921_hw_phy(struct ieee80211_hw * hw)216 mt7921_hw_phy(struct ieee80211_hw *hw)
217 {
218 struct mt76_phy *phy = hw->priv;
219
220 return phy->priv;
221 }
222
223 static inline struct mt7921_dev *
mt7921_hw_dev(struct ieee80211_hw * hw)224 mt7921_hw_dev(struct ieee80211_hw *hw)
225 {
226 struct mt76_phy *phy = hw->priv;
227
228 return container_of(phy->dev, struct mt7921_dev, mt76);
229 }
230
231 #define mt7921_mutex_acquire(dev) \
232 mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm)
233 #define mt7921_mutex_release(dev) \
234 mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm)
235
mt7921_lmac_mapping(struct mt7921_dev * dev,u8 ac)236 static inline u8 mt7921_lmac_mapping(struct mt7921_dev *dev, u8 ac)
237 {
238 /* LMAC uses the reverse order of mac80211 AC indexes */
239 return 3 - ac;
240 }
241
242 extern const struct ieee80211_ops mt7921_ops;
243 extern struct pci_driver mt7921_pci_driver;
244
245 u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr);
246
247 int __mt7921_start(struct mt7921_phy *phy);
248 int mt7921_register_device(struct mt7921_dev *dev);
249 void mt7921_unregister_device(struct mt7921_dev *dev);
250 int mt7921_eeprom_init(struct mt7921_dev *dev);
251 void mt7921_eeprom_parse_band_config(struct mt7921_phy *phy);
252 int mt7921_eeprom_get_target_power(struct mt7921_dev *dev,
253 struct ieee80211_channel *chan,
254 u8 chain_idx);
255 void mt7921_eeprom_init_sku(struct mt7921_dev *dev);
256 int mt7921_dma_init(struct mt7921_dev *dev);
257 int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
258 int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev);
259 void mt7921_dma_cleanup(struct mt7921_dev *dev);
260 int mt7921_run_firmware(struct mt7921_dev *dev);
261 int mt7921_mcu_init(struct mt7921_dev *dev);
262 int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif,
263 struct mt7921_sta *msta, struct ieee80211_key_conf *key,
264 enum set_key_cmd cmd);
265 int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta,
266 struct ieee80211_vif *vif, bool enable,
267 enum mt76_sta_info_state state);
268 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd);
269 int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif);
270 int mt7921_mcu_set_eeprom(struct mt7921_dev *dev);
271 int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset);
272 int mt7921_mcu_get_rx_rate(struct mt7921_phy *phy, struct ieee80211_vif *vif,
273 struct ieee80211_sta *sta, struct rate_info *rate);
274 int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl);
275 void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb);
276 void mt7921_mcu_exit(struct mt7921_dev *dev);
277
mt7921_irq_enable(struct mt7921_dev * dev,u32 mask)278 static inline void mt7921_irq_enable(struct mt7921_dev *dev, u32 mask)
279 {
280 mt76_set_irq_mask(&dev->mt76, 0, 0, mask);
281
282 tasklet_schedule(&dev->irq_tasklet);
283 }
284
285 static inline u32
mt7921_reg_map_l1(struct mt7921_dev * dev,u32 addr)286 mt7921_reg_map_l1(struct mt7921_dev *dev, u32 addr)
287 {
288 u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
289 u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
290
291 mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
292 /* use read to push write */
293 mt76_rr(dev, MT_HIF_REMAP_L1);
294
295 return MT_HIF_REMAP_BASE_L1 + offset;
296 }
297
298 static inline u32
mt7921_l1_rr(struct mt7921_dev * dev,u32 addr)299 mt7921_l1_rr(struct mt7921_dev *dev, u32 addr)
300 {
301 return mt76_rr(dev, mt7921_reg_map_l1(dev, addr));
302 }
303
304 static inline void
mt7921_l1_wr(struct mt7921_dev * dev,u32 addr,u32 val)305 mt7921_l1_wr(struct mt7921_dev *dev, u32 addr, u32 val)
306 {
307 mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val);
308 }
309
310 static inline u32
mt7921_l1_rmw(struct mt7921_dev * dev,u32 addr,u32 mask,u32 val)311 mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val)
312 {
313 val |= mt7921_l1_rr(dev, addr) & ~mask;
314 mt7921_l1_wr(dev, addr, val);
315
316 return val;
317 }
318
319 #define mt7921_l1_set(dev, addr, val) mt7921_l1_rmw(dev, addr, 0, val)
320 #define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0)
321
mt7921_dma_need_reinit(struct mt7921_dev * dev)322 static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev)
323 {
324 return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
325 }
326
327 int mt7921_mac_init(struct mt7921_dev *dev);
328 bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
329 void mt7921_mac_reset_counters(struct mt7921_phy *phy);
330 void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
331 struct sk_buff *skb, struct mt76_wcid *wcid,
332 struct ieee80211_key_conf *key, bool beacon);
333 void mt7921_mac_set_timing(struct mt7921_phy *phy);
334 int mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb);
335 void mt7921_mac_fill_rx_vector(struct mt7921_dev *dev, struct sk_buff *skb);
336 void mt7921_mac_tx_free(struct mt7921_dev *dev, struct sk_buff *skb);
337 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
338 struct ieee80211_sta *sta);
339 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
340 struct ieee80211_sta *sta);
341 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
342 struct ieee80211_sta *sta);
343 void mt7921_mac_work(struct work_struct *work);
344 void mt7921_mac_reset_work(struct work_struct *work);
345 void mt7921_reset(struct mt76_dev *mdev);
346 void mt7921_tx_cleanup(struct mt7921_dev *dev);
347 int mt7921_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
348 enum mt76_txq_id qid, struct mt76_wcid *wcid,
349 struct ieee80211_sta *sta,
350 struct mt76_tx_info *tx_info);
351
352 void mt7921_tx_worker(struct mt76_worker *w);
353 void mt7921_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
354 int mt7921_init_tx_queues(struct mt7921_phy *phy, int idx, int n_desc);
355 void mt7921_tx_token_put(struct mt7921_dev *dev);
356 void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
357 struct sk_buff *skb);
358 void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
359 void mt7921_stats_work(struct work_struct *work);
360 void mt7921_txp_skb_unmap(struct mt76_dev *dev,
361 struct mt76_txwi_cache *txwi);
362 void mt7921_set_stream_he_caps(struct mt7921_phy *phy);
363 void mt7921_update_channel(struct mt76_phy *mphy);
364 int mt7921_init_debugfs(struct mt7921_dev *dev);
365
366 int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev,
367 struct ieee80211_ampdu_params *params,
368 bool enable);
369 int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
370 struct ieee80211_ampdu_params *params,
371 bool enable);
372 void mt7921_scan_work(struct work_struct *work);
373 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
374 int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif,
375 bool enable);
376 int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif,
377 bool enable);
378 int __mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev);
379 int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev);
380 int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev);
381 void mt7921_pm_wake_work(struct work_struct *work);
382 void mt7921_pm_power_save_work(struct work_struct *work);
383 bool mt7921_wait_for_mcu_init(struct mt7921_dev *dev);
384 int mt7921_mac_set_beacon_filter(struct mt7921_phy *phy,
385 struct ieee80211_vif *vif,
386 bool enable);
387 void mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif);
388 void mt7921_coredump_work(struct work_struct *work);
389 int mt7921_wfsys_reset(struct mt7921_dev *dev);
390 int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr);
391 #endif
392
