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 #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_CFEND_RATE_DEFAULT	0x49	/* OFDM 24M */
45 #define MT7921_CFEND_RATE_11B		0x03	/* 11B LP, 11M */
46 
47 #define MT7921_SKU_RATE_NUM		161
48 #define MT7921_SKU_MAX_DELTA_IDX	MT7921_SKU_RATE_NUM
49 #define MT7921_SKU_TABLE_SIZE		(MT7921_SKU_RATE_NUM + 1)
50 
51 #define MT7921_SDIO_HDR_TX_BYTES	GENMASK(15, 0)
52 #define MT7921_SDIO_HDR_PKT_TYPE	GENMASK(17, 16)
53 
54 enum mt7921_sdio_pkt_type {
55 	MT7921_SDIO_TXD,
56 	MT7921_SDIO_DATA,
57 	MT7921_SDIO_CMD,
58 	MT7921_SDIO_FWDL,
59 };
60 
61 struct mt7921_sdio_intr {
62 	u32 isr;
63 	struct {
64 		u32 wtqcr[16];
65 	} tx;
66 	struct {
67 		u16 num[2];
68 		u16 len0[16];
69 		u16 len1[128];
70 	} rx;
71 	u32 rec_mb[2];
72 } __packed;
73 
74 #define to_rssi(field, rxv)		((FIELD_GET(field, rxv) - 220) / 2)
75 #define to_rcpi(rssi)			(2 * (rssi) + 220)
76 
77 struct mt7921_vif;
78 struct mt7921_sta;
79 
80 enum mt7921_txq_id {
81 	MT7921_TXQ_BAND0,
82 	MT7921_TXQ_BAND1,
83 	MT7921_TXQ_FWDL = 16,
84 	MT7921_TXQ_MCU_WM,
85 };
86 
87 enum mt7921_rxq_id {
88 	MT7921_RXQ_BAND0 = 0,
89 	MT7921_RXQ_BAND1,
90 	MT7921_RXQ_MCU_WM = 0,
91 };
92 
93 struct mt7921_sta {
94 	struct mt76_wcid wcid; /* must be first */
95 
96 	struct mt7921_vif *vif;
97 
98 	struct list_head poll_list;
99 	u32 airtime_ac[8];
100 
101 	unsigned long last_txs;
102 	unsigned long ampdu_state;
103 	struct mt76_sta_stats stats;
104 
105 	struct mt76_connac_sta_key_conf bip;
106 };
107 
108 DECLARE_EWMA(rssi, 10, 8);
109 
110 struct mt7921_vif {
111 	struct mt76_vif mt76; /* must be first */
112 
113 	struct mt7921_sta sta;
114 	struct mt7921_sta *wep_sta;
115 
116 	struct mt7921_phy *phy;
117 
118 	struct ewma_rssi rssi;
119 
120 	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
121 };
122 
123 struct mib_stats {
124 	u32 ack_fail_cnt;
125 	u32 fcs_err_cnt;
126 	u32 rts_cnt;
127 	u32 rts_retries_cnt;
128 	u32 ba_miss_cnt;
129 
130 	u32 tx_bf_ibf_ppdu_cnt;
131 	u32 tx_bf_ebf_ppdu_cnt;
132 	u32 tx_bf_rx_fb_all_cnt;
133 	u32 tx_bf_rx_fb_he_cnt;
134 	u32 tx_bf_rx_fb_vht_cnt;
135 	u32 tx_bf_rx_fb_ht_cnt;
136 
137 	u32 tx_ampdu_cnt;
138 	u32 tx_mpdu_attempts_cnt;
139 	u32 tx_mpdu_success_cnt;
140 	u32 tx_pkt_ebf_cnt;
141 	u32 tx_pkt_ibf_cnt;
142 
143 	u32 rx_mpdu_cnt;
144 	u32 rx_ampdu_cnt;
145 	u32 rx_ampdu_bytes_cnt;
146 	u32 rx_ba_cnt;
147 
148 	u32 tx_amsdu[8];
149 	u32 tx_amsdu_cnt;
150 };
151 
152 struct mt7921_phy {
153 	struct mt76_phy *mt76;
154 	struct mt7921_dev *dev;
155 
156 	struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES];
157 
158 	u32 rxfilter;
159 	u64 omac_mask;
160 
161 	u16 noise;
162 
163 	s16 coverage_class;
164 	u8 slottime;
165 
166 	u32 rx_ampdu_ts;
167 	u32 ampdu_ref;
168 
169 	struct mib_stats mib;
170 
171 	u8 sta_work_count;
172 
173 	struct sk_buff_head scan_event_list;
174 	struct delayed_work scan_work;
175 };
176 
177 #define mt7921_init_reset(dev)		((dev)->hif_ops->init_reset(dev))
178 #define mt7921_dev_reset(dev)		((dev)->hif_ops->reset(dev))
179 #define mt7921_mcu_init(dev)		((dev)->hif_ops->mcu_init(dev))
180 #define __mt7921_mcu_drv_pmctrl(dev)	((dev)->hif_ops->drv_own(dev))
181 #define	__mt7921_mcu_fw_pmctrl(dev)	((dev)->hif_ops->fw_own(dev))
182 struct mt7921_hif_ops {
183 	int (*init_reset)(struct mt7921_dev *dev);
184 	int (*reset)(struct mt7921_dev *dev);
185 	int (*mcu_init)(struct mt7921_dev *dev);
186 	int (*drv_own)(struct mt7921_dev *dev);
187 	int (*fw_own)(struct mt7921_dev *dev);
188 };
189 
190 struct mt7921_dev {
191 	union { /* must be first */
192 		struct mt76_dev mt76;
193 		struct mt76_phy mphy;
194 	};
195 
196 	const struct mt76_bus_ops *bus_ops;
197 	struct mt7921_phy phy;
198 	struct tasklet_struct irq_tasklet;
199 
200 	struct work_struct reset_work;
201 	bool hw_full_reset:1;
202 	bool hw_init_done:1;
203 	bool fw_assert:1;
204 
205 	struct list_head sta_poll_list;
206 	spinlock_t sta_poll_lock;
207 
208 	struct work_struct init_work;
209 
210 	u8 fw_debug;
211 
212 	struct mt76_connac_pm pm;
213 	struct mt76_connac_coredump coredump;
214 	const struct mt7921_hif_ops *hif_ops;
215 };
216 
217 enum {
218 	TXPWR_USER,
219 	TXPWR_EEPROM,
220 	TXPWR_MAC,
221 	TXPWR_MAX_NUM,
222 };
223 
224 struct mt7921_txpwr {
225 	u8 ch;
226 	u8 rsv[3];
227 	struct {
228 		u8 ch;
229 		u8 cck[4];
230 		u8 ofdm[8];
231 		u8 ht20[8];
232 		u8 ht40[9];
233 		u8 vht20[12];
234 		u8 vht40[12];
235 		u8 vht80[12];
236 		u8 vht160[12];
237 		u8 he26[12];
238 		u8 he52[12];
239 		u8 he106[12];
240 		u8 he242[12];
241 		u8 he484[12];
242 		u8 he996[12];
243 		u8 he996x2[12];
244 	} data[TXPWR_MAX_NUM];
245 };
246 
247 enum {
248 	MT_LMAC_AC00,
249 	MT_LMAC_AC01,
250 	MT_LMAC_AC02,
251 	MT_LMAC_AC03,
252 	MT_LMAC_ALTX0 = 0x10,
253 	MT_LMAC_BMC0,
254 	MT_LMAC_BCN0,
255 };
256 
257 static inline struct mt7921_phy *
258 mt7921_hw_phy(struct ieee80211_hw *hw)
259 {
260 	struct mt76_phy *phy = hw->priv;
261 
262 	return phy->priv;
263 }
264 
265 static inline struct mt7921_dev *
266 mt7921_hw_dev(struct ieee80211_hw *hw)
267 {
268 	struct mt76_phy *phy = hw->priv;
269 
270 	return container_of(phy->dev, struct mt7921_dev, mt76);
271 }
272 
273 #define mt7921_mutex_acquire(dev)	\
274 	mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm)
275 #define mt7921_mutex_release(dev)	\
276 	mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm)
277 
278 extern const struct ieee80211_ops mt7921_ops;
279 extern struct pci_driver mt7921_pci_driver;
280 
281 u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr);
282 
283 int __mt7921_start(struct mt7921_phy *phy);
284 int mt7921_register_device(struct mt7921_dev *dev);
285 void mt7921_unregister_device(struct mt7921_dev *dev);
286 int mt7921_dma_init(struct mt7921_dev *dev);
287 int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force);
288 int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev);
289 void mt7921_dma_cleanup(struct mt7921_dev *dev);
290 int mt7921_run_firmware(struct mt7921_dev *dev);
291 int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta,
292 			  struct ieee80211_vif *vif, bool enable,
293 			  enum mt76_sta_info_state state);
294 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd);
295 int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif);
296 int mt7921_mcu_set_eeprom(struct mt7921_dev *dev);
297 int mt7921_mcu_get_rx_rate(struct mt7921_phy *phy, struct ieee80211_vif *vif,
298 			   struct ieee80211_sta *sta, struct rate_info *rate);
299 int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl);
300 void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb);
301 void mt7921_mcu_exit(struct mt7921_dev *dev);
302 
303 static inline void mt7921_irq_enable(struct mt7921_dev *dev, u32 mask)
304 {
305 	mt76_set_irq_mask(&dev->mt76, 0, 0, mask);
306 
307 	tasklet_schedule(&dev->irq_tasklet);
308 }
309 
310 static inline u32
311 mt7921_reg_map_l1(struct mt7921_dev *dev, u32 addr)
312 {
313 	u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
314 	u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
315 
316 	mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
317 	/* use read to push write */
318 	mt76_rr(dev, MT_HIF_REMAP_L1);
319 
320 	return MT_HIF_REMAP_BASE_L1 + offset;
321 }
322 
323 static inline u32
324 mt7921_l1_rr(struct mt7921_dev *dev, u32 addr)
325 {
326 	return mt76_rr(dev, mt7921_reg_map_l1(dev, addr));
327 }
328 
329 static inline void
330 mt7921_l1_wr(struct mt7921_dev *dev, u32 addr, u32 val)
331 {
332 	mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val);
333 }
334 
335 static inline u32
336 mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val)
337 {
338 	val |= mt7921_l1_rr(dev, addr) & ~mask;
339 	mt7921_l1_wr(dev, addr, val);
340 
341 	return val;
342 }
343 
344 #define mt7921_l1_set(dev, addr, val)	mt7921_l1_rmw(dev, addr, 0, val)
345 #define mt7921_l1_clear(dev, addr, val)	mt7921_l1_rmw(dev, addr, val, 0)
346 
347 static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev)
348 {
349 	return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT);
350 }
351 
352 static inline void mt7921_mcu_tx_cleanup(struct mt7921_dev *dev)
353 {
354 	mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WM], false);
355 	mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], false);
356 }
357 
358 static inline void
359 mt7921_skb_add_usb_sdio_hdr(struct mt7921_dev *dev, struct sk_buff *skb,
360 			    int type)
361 {
362 	u32 hdr, len;
363 
364 	len = mt76_is_usb(&dev->mt76) ? skb->len : skb->len + sizeof(hdr);
365 	hdr = FIELD_PREP(MT7921_SDIO_HDR_TX_BYTES, len) |
366 	      FIELD_PREP(MT7921_SDIO_HDR_PKT_TYPE, type);
367 
368 	put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr)));
369 }
370 
371 void mt7921_stop(struct ieee80211_hw *hw);
372 int mt7921_mac_init(struct mt7921_dev *dev);
373 bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
374 void mt7921_mac_reset_counters(struct mt7921_phy *phy);
375 void mt7921_mac_set_timing(struct mt7921_phy *phy);
376 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
377 		       struct ieee80211_sta *sta);
378 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
379 			  struct ieee80211_sta *sta);
380 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
381 			   struct ieee80211_sta *sta);
382 void mt7921_mac_work(struct work_struct *work);
383 void mt7921_mac_reset_work(struct work_struct *work);
384 void mt7921_mac_update_mib_stats(struct mt7921_phy *phy);
385 void mt7921_reset(struct mt76_dev *mdev);
386 int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
387 			   enum mt76_txq_id qid, struct mt76_wcid *wcid,
388 			   struct ieee80211_sta *sta,
389 			   struct mt76_tx_info *tx_info);
390 
391 void mt7921_tx_worker(struct mt76_worker *w);
392 void mt7921e_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
393 void mt7921_tx_token_put(struct mt7921_dev *dev);
394 void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
395 			 struct sk_buff *skb);
396 void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
397 void mt7921_stats_work(struct work_struct *work);
398 void mt7921_set_stream_he_caps(struct mt7921_phy *phy);
399 void mt7921_update_channel(struct mt76_phy *mphy);
400 int mt7921_init_debugfs(struct mt7921_dev *dev);
401 
402 int mt7921_mcu_set_beacon_filter(struct mt7921_dev *dev,
403 				 struct ieee80211_vif *vif,
404 				 bool enable);
405 int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev,
406 			 struct ieee80211_ampdu_params *params,
407 			 bool enable);
408 int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
409 			 struct ieee80211_ampdu_params *params,
410 			 bool enable);
411 void mt7921_scan_work(struct work_struct *work);
412 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
413 int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev);
414 int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev);
415 void mt7921_pm_wake_work(struct work_struct *work);
416 void mt7921_pm_power_save_work(struct work_struct *work);
417 void mt7921_coredump_work(struct work_struct *work);
418 int mt7921_wfsys_reset(struct mt7921_dev *dev);
419 int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr);
420 int mt7921_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
421 			void *data, int len);
422 int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg,
423 			 struct netlink_callback *cb, void *data, int len);
424 void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
425 			   struct sk_buff *skb, struct mt76_wcid *wcid,
426 			   struct ieee80211_key_conf *key, int pid,
427 			   bool beacon);
428 void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi);
429 void mt7921_mac_sta_poll(struct mt7921_dev *dev);
430 int mt7921_mcu_fill_message(struct mt76_dev *mdev, struct sk_buff *skb,
431 			    int cmd, int *wait_seq);
432 int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd,
433 			      struct sk_buff *skb, int seq);
434 
435 bool mt7921e_rx_check(struct mt76_dev *mdev, void *data, int len);
436 void mt7921e_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
437 			  struct sk_buff *skb);
438 int mt7921e_driver_own(struct mt7921_dev *dev);
439 int mt7921e_mac_reset(struct mt7921_dev *dev);
440 int mt7921e_mcu_init(struct mt7921_dev *dev);
441 int mt7921s_wfsys_reset(struct mt7921_dev *dev);
442 int mt7921s_mac_reset(struct mt7921_dev *dev);
443 int mt7921s_init_reset(struct mt7921_dev *dev);
444 int __mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev);
445 int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev);
446 int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev);
447 
448 int mt7921s_mcu_init(struct mt7921_dev *dev);
449 int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev);
450 int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev);
451 void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data);
452 void mt7921_set_runtime_pm(struct mt7921_dev *dev);
453 int mt7921_mcu_set_sniffer(struct mt7921_dev *dev, struct ieee80211_vif *vif,
454 			   bool enable);
455 
456 int mt7921_usb_sdio_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
457 				   enum mt76_txq_id qid, struct mt76_wcid *wcid,
458 				   struct ieee80211_sta *sta,
459 				   struct mt76_tx_info *tx_info);
460 void mt7921_usb_sdio_tx_complete_skb(struct mt76_dev *mdev,
461 				     struct mt76_queue_entry *e);
462 bool mt7921_usb_sdio_tx_status_data(struct mt76_dev *mdev, u8 *update);
463 
464 /* usb */
465 #define MT_USB_TYPE_VENDOR	(USB_TYPE_VENDOR | 0x1f)
466 #define MT_USB_TYPE_UHW_VENDOR	(USB_TYPE_VENDOR | 0x1e)
467 
468 int mt7921u_mcu_power_on(struct mt7921_dev *dev);
469 int mt7921u_wfsys_reset(struct mt7921_dev *dev);
470 int mt7921u_dma_init(struct mt7921_dev *dev);
471 int mt7921u_init_reset(struct mt7921_dev *dev);
472 int mt7921u_mac_reset(struct mt7921_dev *dev);
473 #endif
474