1 /* SPDX-License-Identifier: ISC */
2 /* Copyright (C) 2020 MediaTek Inc. */
3
4 #ifndef __MT76_CONNAC_H
5 #define __MT76_CONNAC_H
6
7 #include "mt76.h"
8
9 enum rx_pkt_type {
10 PKT_TYPE_TXS,
11 PKT_TYPE_TXRXV,
12 PKT_TYPE_NORMAL,
13 PKT_TYPE_RX_DUP_RFB,
14 PKT_TYPE_RX_TMR,
15 PKT_TYPE_RETRIEVE,
16 PKT_TYPE_TXRX_NOTIFY,
17 PKT_TYPE_RX_EVENT,
18 PKT_TYPE_NORMAL_MCU,
19 PKT_TYPE_RX_FW_MONITOR = 0x0c,
20 PKT_TYPE_TXRX_NOTIFY_V0 = 0x18,
21 };
22
23 #define MT76_CONNAC_SCAN_IE_LEN 600
24 #define MT76_CONNAC_MAX_NUM_SCHED_SCAN_INTERVAL 10
25 #define MT76_CONNAC_MAX_TIME_SCHED_SCAN_INTERVAL U16_MAX
26 #define MT76_CONNAC_MAX_SCHED_SCAN_SSID 10
27 #define MT76_CONNAC_MAX_SCAN_MATCH 16
28
29 #define MT76_CONNAC_MAX_WMM_SETS 4
30
31 #define MT76_CONNAC_COREDUMP_TIMEOUT (HZ / 20)
32 #define MT76_CONNAC_COREDUMP_SZ (1300 * 1024)
33
34 #define MT_TXD_SIZE (8 * 4)
35
36 #define MT_USB_TXD_SIZE (MT_TXD_SIZE + 8 * 4)
37 #define MT_USB_HDR_SIZE 4
38 #define MT_USB_TAIL_SIZE 4
39
40 #define MT_SDIO_TXD_SIZE (MT_TXD_SIZE + 8 * 4)
41 #define MT_SDIO_TAIL_SIZE 8
42 #define MT_SDIO_HDR_SIZE 4
43
44 #define MT_MSDU_ID_VALID BIT(15)
45
46 #define MT_TXD_LEN_LAST BIT(15)
47 #define MT_TXD_LEN_MASK GENMASK(11, 0)
48 #define MT_TXD_LEN_MSDU_LAST BIT(14)
49 #define MT_TXD_LEN_AMSDU_LAST BIT(15)
50
51 enum {
52 CMD_CBW_20MHZ = IEEE80211_STA_RX_BW_20,
53 CMD_CBW_40MHZ = IEEE80211_STA_RX_BW_40,
54 CMD_CBW_80MHZ = IEEE80211_STA_RX_BW_80,
55 CMD_CBW_160MHZ = IEEE80211_STA_RX_BW_160,
56 CMD_CBW_10MHZ,
57 CMD_CBW_5MHZ,
58 CMD_CBW_8080MHZ,
59 CMD_CBW_320MHZ,
60
61 CMD_HE_MCS_BW80 = 0,
62 CMD_HE_MCS_BW160,
63 CMD_HE_MCS_BW8080,
64 CMD_HE_MCS_BW_NUM
65 };
66
67 enum {
68 HW_BSSID_0 = 0x0,
69 HW_BSSID_1,
70 HW_BSSID_2,
71 HW_BSSID_3,
72 HW_BSSID_MAX = HW_BSSID_3,
73 EXT_BSSID_START = 0x10,
74 EXT_BSSID_1,
75 EXT_BSSID_15 = 0x1f,
76 EXT_BSSID_MAX = EXT_BSSID_15,
77 REPEATER_BSSID_START = 0x20,
78 REPEATER_BSSID_MAX = 0x3f,
79 };
80
81 struct mt76_connac_reg_map {
82 u32 phys;
83 u32 maps;
84 u32 size;
85 };
86
87 struct mt76_connac_pm {
88 bool enable:1;
89 bool enable_user:1;
90 bool ds_enable:1;
91 bool ds_enable_user:1;
92 bool suspended:1;
93
94 spinlock_t txq_lock;
95 struct {
96 struct mt76_wcid *wcid;
97 struct sk_buff *skb;
98 } tx_q[IEEE80211_NUM_ACS];
99
100 struct work_struct wake_work;
101 wait_queue_head_t wait;
102
103 struct {
104 spinlock_t lock;
105 u32 count;
106 } wake;
107 struct mutex mutex;
108
109 struct delayed_work ps_work;
110 unsigned long last_activity;
111 unsigned long idle_timeout;
112
113 struct {
114 unsigned long last_wake_event;
115 unsigned long awake_time;
116 unsigned long last_doze_event;
117 unsigned long doze_time;
118 unsigned int lp_wake;
119 } stats;
120 };
121
122 struct mt76_connac_coredump {
123 struct sk_buff_head msg_list;
124 struct delayed_work work;
125 unsigned long last_activity;
126 };
127
128 struct mt76_connac_sta_key_conf {
129 s8 keyidx;
130 u8 key[16];
131 };
132
133 #define MT_TXP_MAX_BUF_NUM 6
134
135 struct mt76_connac_fw_txp {
136 __le16 flags;
137 __le16 token;
138 u8 bss_idx;
139 __le16 rept_wds_wcid;
140 u8 nbuf;
141 __le32 buf[MT_TXP_MAX_BUF_NUM];
142 __le16 len[MT_TXP_MAX_BUF_NUM];
143 } __packed __aligned(4);
144
145 #define MT_HW_TXP_MAX_MSDU_NUM 4
146 #define MT_HW_TXP_MAX_BUF_NUM 4
147
148 struct mt76_connac_txp_ptr {
149 __le32 buf0;
150 __le16 len0;
151 __le16 len1;
152 __le32 buf1;
153 } __packed __aligned(4);
154
155 struct mt76_connac_hw_txp {
156 __le16 msdu_id[MT_HW_TXP_MAX_MSDU_NUM];
157 struct mt76_connac_txp_ptr ptr[MT_HW_TXP_MAX_BUF_NUM / 2];
158 } __packed __aligned(4);
159
160 struct mt76_connac_txp_common {
161 union {
162 struct mt76_connac_fw_txp fw;
163 struct mt76_connac_hw_txp hw;
164 };
165 };
166
167 struct mt76_connac_tx_free {
168 __le16 rx_byte_cnt;
169 __le16 ctrl;
170 __le32 txd;
171 } __packed __aligned(4);
172
173 extern const struct wiphy_wowlan_support mt76_connac_wowlan_support;
174
is_mt7922(struct mt76_dev * dev)175 static inline bool is_mt7922(struct mt76_dev *dev)
176 {
177 return mt76_chip(dev) == 0x7922;
178 }
179
is_mt7921(struct mt76_dev * dev)180 static inline bool is_mt7921(struct mt76_dev *dev)
181 {
182 return mt76_chip(dev) == 0x7961 || is_mt7922(dev);
183 }
184
is_mt7663(struct mt76_dev * dev)185 static inline bool is_mt7663(struct mt76_dev *dev)
186 {
187 return mt76_chip(dev) == 0x7663;
188 }
189
is_mt7915(struct mt76_dev * dev)190 static inline bool is_mt7915(struct mt76_dev *dev)
191 {
192 return mt76_chip(dev) == 0x7915;
193 }
194
is_mt7916(struct mt76_dev * dev)195 static inline bool is_mt7916(struct mt76_dev *dev)
196 {
197 return mt76_chip(dev) == 0x7906;
198 }
199
is_mt7981(struct mt76_dev * dev)200 static inline bool is_mt7981(struct mt76_dev *dev)
201 {
202 return mt76_chip(dev) == 0x7981;
203 }
204
is_mt7986(struct mt76_dev * dev)205 static inline bool is_mt7986(struct mt76_dev *dev)
206 {
207 return mt76_chip(dev) == 0x7986;
208 }
209
is_mt798x(struct mt76_dev * dev)210 static inline bool is_mt798x(struct mt76_dev *dev)
211 {
212 return is_mt7981(dev) || is_mt7986(dev);
213 }
214
is_mt7996(struct mt76_dev * dev)215 static inline bool is_mt7996(struct mt76_dev *dev)
216 {
217 return mt76_chip(dev) == 0x7990;
218 }
219
is_mt7622(struct mt76_dev * dev)220 static inline bool is_mt7622(struct mt76_dev *dev)
221 {
222 if (!IS_ENABLED(CONFIG_MT7622_WMAC))
223 return false;
224
225 return mt76_chip(dev) == 0x7622;
226 }
227
is_mt7615(struct mt76_dev * dev)228 static inline bool is_mt7615(struct mt76_dev *dev)
229 {
230 return mt76_chip(dev) == 0x7615 || mt76_chip(dev) == 0x7611;
231 }
232
is_mt7611(struct mt76_dev * dev)233 static inline bool is_mt7611(struct mt76_dev *dev)
234 {
235 return mt76_chip(dev) == 0x7611;
236 }
237
is_connac_v1(struct mt76_dev * dev)238 static inline bool is_connac_v1(struct mt76_dev *dev)
239 {
240 return is_mt7615(dev) || is_mt7663(dev) || is_mt7622(dev);
241 }
242
is_mt76_fw_txp(struct mt76_dev * dev)243 static inline bool is_mt76_fw_txp(struct mt76_dev *dev)
244 {
245 switch (mt76_chip(dev)) {
246 case 0x7961:
247 case 0x7922:
248 case 0x7663:
249 case 0x7622:
250 return false;
251 default:
252 return true;
253 }
254 }
255
mt76_connac_chan_bw(struct cfg80211_chan_def * chandef)256 static inline u8 mt76_connac_chan_bw(struct cfg80211_chan_def *chandef)
257 {
258 static const u8 width_to_bw[] = {
259 [NL80211_CHAN_WIDTH_40] = CMD_CBW_40MHZ,
260 [NL80211_CHAN_WIDTH_80] = CMD_CBW_80MHZ,
261 [NL80211_CHAN_WIDTH_80P80] = CMD_CBW_8080MHZ,
262 [NL80211_CHAN_WIDTH_160] = CMD_CBW_160MHZ,
263 [NL80211_CHAN_WIDTH_5] = CMD_CBW_5MHZ,
264 [NL80211_CHAN_WIDTH_10] = CMD_CBW_10MHZ,
265 [NL80211_CHAN_WIDTH_20] = CMD_CBW_20MHZ,
266 [NL80211_CHAN_WIDTH_20_NOHT] = CMD_CBW_20MHZ,
267 [NL80211_CHAN_WIDTH_320] = CMD_CBW_320MHZ,
268 };
269
270 if (chandef->width >= ARRAY_SIZE(width_to_bw))
271 return 0;
272
273 return width_to_bw[chandef->width];
274 }
275
mt76_connac_lmac_mapping(u8 ac)276 static inline u8 mt76_connac_lmac_mapping(u8 ac)
277 {
278 /* LMAC uses the reverse order of mac80211 AC indexes */
279 return 3 - ac;
280 }
281
282 static inline void *
mt76_connac_txwi_to_txp(struct mt76_dev * dev,struct mt76_txwi_cache * t)283 mt76_connac_txwi_to_txp(struct mt76_dev *dev, struct mt76_txwi_cache *t)
284 {
285 u8 *txwi;
286
287 if (!t)
288 return NULL;
289
290 txwi = mt76_get_txwi_ptr(dev, t);
291
292 return (void *)(txwi + MT_TXD_SIZE);
293 }
294
mt76_connac_spe_idx(u8 antenna_mask)295 static inline u8 mt76_connac_spe_idx(u8 antenna_mask)
296 {
297 static const u8 ant_to_spe[] = {0, 0, 1, 0, 3, 2, 4, 0,
298 9, 8, 6, 10, 16, 12, 18, 0};
299
300 if (antenna_mask >= sizeof(ant_to_spe))
301 return 0;
302
303 return ant_to_spe[antenna_mask];
304 }
305
mt76_connac_irq_enable(struct mt76_dev * dev,u32 mask)306 static inline void mt76_connac_irq_enable(struct mt76_dev *dev, u32 mask)
307 {
308 mt76_set_irq_mask(dev, 0, 0, mask);
309 tasklet_schedule(&dev->irq_tasklet);
310 }
311
312 int mt76_connac_pm_wake(struct mt76_phy *phy, struct mt76_connac_pm *pm);
313 void mt76_connac_power_save_sched(struct mt76_phy *phy,
314 struct mt76_connac_pm *pm);
315 void mt76_connac_free_pending_tx_skbs(struct mt76_connac_pm *pm,
316 struct mt76_wcid *wcid);
317
mt76_connac_tx_cleanup(struct mt76_dev * dev)318 static inline void mt76_connac_tx_cleanup(struct mt76_dev *dev)
319 {
320 dev->queue_ops->tx_cleanup(dev, dev->q_mcu[MT_MCUQ_WM], false);
321 dev->queue_ops->tx_cleanup(dev, dev->q_mcu[MT_MCUQ_WA], false);
322 }
323
324 static inline bool
mt76_connac_pm_ref(struct mt76_phy * phy,struct mt76_connac_pm * pm)325 mt76_connac_pm_ref(struct mt76_phy *phy, struct mt76_connac_pm *pm)
326 {
327 bool ret = false;
328
329 spin_lock_bh(&pm->wake.lock);
330 if (test_bit(MT76_STATE_PM, &phy->state))
331 goto out;
332
333 pm->wake.count++;
334 ret = true;
335 out:
336 spin_unlock_bh(&pm->wake.lock);
337
338 return ret;
339 }
340
341 static inline void
mt76_connac_pm_unref(struct mt76_phy * phy,struct mt76_connac_pm * pm)342 mt76_connac_pm_unref(struct mt76_phy *phy, struct mt76_connac_pm *pm)
343 {
344 spin_lock_bh(&pm->wake.lock);
345
346 pm->last_activity = jiffies;
347 if (--pm->wake.count == 0 &&
348 test_bit(MT76_STATE_MCU_RUNNING, &phy->state))
349 mt76_connac_power_save_sched(phy, pm);
350
351 spin_unlock_bh(&pm->wake.lock);
352 }
353
354 static inline bool
mt76_connac_skip_fw_pmctrl(struct mt76_phy * phy,struct mt76_connac_pm * pm)355 mt76_connac_skip_fw_pmctrl(struct mt76_phy *phy, struct mt76_connac_pm *pm)
356 {
357 struct mt76_dev *dev = phy->dev;
358 bool ret;
359
360 if (dev->token_count)
361 return true;
362
363 spin_lock_bh(&pm->wake.lock);
364 ret = pm->wake.count || test_and_set_bit(MT76_STATE_PM, &phy->state);
365 spin_unlock_bh(&pm->wake.lock);
366
367 return ret;
368 }
369
370 static inline void
mt76_connac_mutex_acquire(struct mt76_dev * dev,struct mt76_connac_pm * pm)371 mt76_connac_mutex_acquire(struct mt76_dev *dev, struct mt76_connac_pm *pm)
372 __acquires(&dev->mutex)
373 {
374 mutex_lock(&dev->mutex);
375 mt76_connac_pm_wake(&dev->phy, pm);
376 }
377
378 static inline void
mt76_connac_mutex_release(struct mt76_dev * dev,struct mt76_connac_pm * pm)379 mt76_connac_mutex_release(struct mt76_dev *dev, struct mt76_connac_pm *pm)
380 __releases(&dev->mutex)
381 {
382 mt76_connac_power_save_sched(&dev->phy, pm);
383 mutex_unlock(&dev->mutex);
384 }
385
386 void mt76_connac_gen_ppe_thresh(u8 *he_ppet, int nss);
387 int mt76_connac_init_tx_queues(struct mt76_phy *phy, int idx, int n_desc,
388 int ring_base, u32 flags);
389 void mt76_connac_write_hw_txp(struct mt76_dev *dev,
390 struct mt76_tx_info *tx_info,
391 void *txp_ptr, u32 id);
392 void mt76_connac_txp_skb_unmap(struct mt76_dev *dev,
393 struct mt76_txwi_cache *txwi);
394 void mt76_connac_tx_complete_skb(struct mt76_dev *mdev,
395 struct mt76_queue_entry *e);
396 void mt76_connac_pm_queue_skb(struct ieee80211_hw *hw,
397 struct mt76_connac_pm *pm,
398 struct mt76_wcid *wcid,
399 struct sk_buff *skb);
400 void mt76_connac_pm_dequeue_skbs(struct mt76_phy *phy,
401 struct mt76_connac_pm *pm);
402 void mt76_connac2_mac_write_txwi(struct mt76_dev *dev, __le32 *txwi,
403 struct sk_buff *skb, struct mt76_wcid *wcid,
404 struct ieee80211_key_conf *key, int pid,
405 enum mt76_txq_id qid, u32 changed);
406 u16 mt76_connac2_mac_tx_rate_val(struct mt76_phy *mphy,
407 struct ieee80211_vif *vif,
408 bool beacon, bool mcast);
409 bool mt76_connac2_mac_fill_txs(struct mt76_dev *dev, struct mt76_wcid *wcid,
410 __le32 *txs_data);
411 bool mt76_connac2_mac_add_txs_skb(struct mt76_dev *dev, struct mt76_wcid *wcid,
412 int pid, __le32 *txs_data);
413 void mt76_connac2_mac_decode_he_radiotap(struct mt76_dev *dev,
414 struct sk_buff *skb,
415 __le32 *rxv, u32 mode);
416 int mt76_connac2_reverse_frag0_hdr_trans(struct ieee80211_vif *vif,
417 struct sk_buff *skb, u16 hdr_offset);
418 int mt76_connac2_mac_fill_rx_rate(struct mt76_dev *dev,
419 struct mt76_rx_status *status,
420 struct ieee80211_supported_band *sband,
421 __le32 *rxv, u8 *mode);
422 void mt76_connac2_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi);
423 void mt76_connac2_txwi_free(struct mt76_dev *dev, struct mt76_txwi_cache *t,
424 struct ieee80211_sta *sta,
425 struct list_head *free_list);
426 void mt76_connac2_tx_token_put(struct mt76_dev *dev);
427
428 /* connac3 */
429 void mt76_connac3_mac_decode_he_radiotap(struct sk_buff *skb, __le32 *rxv,
430 u8 mode);
431 #endif /* __MT76_CONNAC_H */
432