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 / 10)
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 #define MT7921_TOKEN_FREE_THR		64
39 
40 #define MT7921_CFEND_RATE_DEFAULT	0x49	/* OFDM 24M */
41 #define MT7921_CFEND_RATE_11B		0x03	/* 11B LP, 11M */
42 #define MT7921_5G_RATE_DEFAULT		0x4b	/* OFDM 6M */
43 #define MT7921_2G_RATE_DEFAULT		0x0	/* CCK 1M */
44 
45 #define MT7921_SKU_RATE_NUM		161
46 #define MT7921_SKU_MAX_DELTA_IDX	MT7921_SKU_RATE_NUM
47 #define MT7921_SKU_TABLE_SIZE		(MT7921_SKU_RATE_NUM + 1)
48 
49 struct mt7921_vif;
50 struct mt7921_sta;
51 
52 enum mt7921_txq_id {
53 	MT7921_TXQ_BAND0,
54 	MT7921_TXQ_BAND1,
55 	MT7921_TXQ_FWDL = 16,
56 	MT7921_TXQ_MCU_WM,
57 };
58 
59 enum mt7921_rxq_id {
60 	MT7921_RXQ_BAND0 = 0,
61 	MT7921_RXQ_BAND1,
62 	MT7921_RXQ_MCU_WM = 0,
63 };
64 
65 struct mt7921_sta_stats {
66 	struct rate_info prob_rate;
67 	struct rate_info tx_rate;
68 
69 	unsigned long per;
70 	unsigned long changed;
71 	unsigned long jiffies;
72 };
73 
74 struct mt7921_sta_key_conf {
75 	s8 keyidx;
76 	u8 key[16];
77 };
78 
79 struct mt7921_sta {
80 	struct mt76_wcid wcid; /* must be first */
81 
82 	struct mt7921_vif *vif;
83 
84 	struct list_head stats_list;
85 	struct list_head poll_list;
86 	u32 airtime_ac[8];
87 
88 	struct mt7921_sta_stats stats;
89 
90 	unsigned long ampdu_state;
91 
92 	struct mt7921_sta_key_conf bip;
93 };
94 
95 struct mt7921_vif {
96 	struct mt76_vif mt76; /* must be first */
97 
98 	struct mt7921_sta sta;
99 	struct mt7921_phy *phy;
100 
101 	struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
102 };
103 
104 struct mib_stats {
105 	u16 ack_fail_cnt;
106 	u16 fcs_err_cnt;
107 	u16 rts_cnt;
108 	u16 rts_retries_cnt;
109 	u16 ba_miss_cnt;
110 };
111 
112 struct mt7921_phy {
113 	struct mt76_phy *mt76;
114 	struct mt7921_dev *dev;
115 
116 	struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES];
117 
118 	struct ieee80211_vif *monitor_vif;
119 
120 	u32 rxfilter;
121 	u64 omac_mask;
122 
123 	u16 noise;
124 
125 	s16 coverage_class;
126 	u8 slottime;
127 
128 	__le32 rx_ampdu_ts;
129 	u32 ampdu_ref;
130 
131 	struct mib_stats mib;
132 	struct list_head stats_list;
133 
134 	u8 sta_work_count;
135 
136 	struct sk_buff_head scan_event_list;
137 	struct delayed_work scan_work;
138 };
139 
140 struct mt7921_dev {
141 	union { /* must be first */
142 		struct mt76_dev mt76;
143 		struct mt76_phy mphy;
144 	};
145 
146 	const struct mt76_bus_ops *bus_ops;
147 	struct mt7921_phy phy;
148 	struct tasklet_struct irq_tasklet;
149 
150 	u16 chainmask;
151 
152 	struct work_struct init_work;
153 	struct work_struct reset_work;
154 	wait_queue_head_t reset_wait;
155 	u32 reset_state;
156 
157 	struct list_head sta_poll_list;
158 	spinlock_t sta_poll_lock;
159 
160 	spinlock_t token_lock;
161 	int token_count;
162 	struct idr token;
163 
164 	u8 fw_debug;
165 
166 	struct mt76_connac_pm pm;
167 	struct mt76_connac_coredump coredump;
168 };
169 
170 enum {
171 	MT_LMAC_AC00,
172 	MT_LMAC_AC01,
173 	MT_LMAC_AC02,
174 	MT_LMAC_AC03,
175 	MT_LMAC_ALTX0 = 0x10,
176 	MT_LMAC_BMC0,
177 	MT_LMAC_BCN0,
178 };
179 
180 static inline struct mt7921_phy *
181 mt7921_hw_phy(struct ieee80211_hw *hw)
182 {
183 	struct mt76_phy *phy = hw->priv;
184 
185 	return phy->priv;
186 }
187 
188 static inline struct mt7921_dev *
189 mt7921_hw_dev(struct ieee80211_hw *hw)
190 {
191 	struct mt76_phy *phy = hw->priv;
192 
193 	return container_of(phy->dev, struct mt7921_dev, mt76);
194 }
195 
196 #define mt7921_mutex_acquire(dev)	\
197 	mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm)
198 #define mt7921_mutex_release(dev)	\
199 	mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm)
200 
201 static inline u8 mt7921_lmac_mapping(struct mt7921_dev *dev, u8 ac)
202 {
203 	/* LMAC uses the reverse order of mac80211 AC indexes */
204 	return 3 - ac;
205 }
206 
207 extern const struct ieee80211_ops mt7921_ops;
208 extern struct pci_driver mt7921_pci_driver;
209 
210 u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr);
211 
212 int mt7921_register_device(struct mt7921_dev *dev);
213 void mt7921_unregister_device(struct mt7921_dev *dev);
214 int mt7921_eeprom_init(struct mt7921_dev *dev);
215 void mt7921_eeprom_parse_band_config(struct mt7921_phy *phy);
216 int mt7921_eeprom_get_target_power(struct mt7921_dev *dev,
217 				   struct ieee80211_channel *chan,
218 				   u8 chain_idx);
219 void mt7921_eeprom_init_sku(struct mt7921_dev *dev);
220 int mt7921_dma_init(struct mt7921_dev *dev);
221 void mt7921_dma_prefetch(struct mt7921_dev *dev);
222 void mt7921_dma_cleanup(struct mt7921_dev *dev);
223 int mt7921_mcu_init(struct mt7921_dev *dev);
224 int mt7921_mcu_add_bss_info(struct mt7921_phy *phy,
225 			    struct ieee80211_vif *vif, int enable);
226 int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif,
227 		       struct mt7921_sta *msta, struct ieee80211_key_conf *key,
228 		       enum set_key_cmd cmd);
229 int mt7921_set_channel(struct mt7921_phy *phy);
230 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd);
231 int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif);
232 int mt7921_mcu_set_eeprom(struct mt7921_dev *dev);
233 int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset);
234 int mt7921_mcu_get_rx_rate(struct mt7921_phy *phy, struct ieee80211_vif *vif,
235 			   struct ieee80211_sta *sta, struct rate_info *rate);
236 int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl);
237 void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb);
238 void mt7921_mcu_exit(struct mt7921_dev *dev);
239 
240 static inline void mt7921_irq_enable(struct mt7921_dev *dev, u32 mask)
241 {
242 	mt76_set_irq_mask(&dev->mt76, 0, 0, mask);
243 
244 	tasklet_schedule(&dev->irq_tasklet);
245 }
246 
247 static inline u32
248 mt7921_reg_map_l1(struct mt7921_dev *dev, u32 addr)
249 {
250 	u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
251 	u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
252 
253 	mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
254 	/* use read to push write */
255 	mt76_rr(dev, MT_HIF_REMAP_L1);
256 
257 	return MT_HIF_REMAP_BASE_L1 + offset;
258 }
259 
260 static inline u32
261 mt7921_l1_rr(struct mt7921_dev *dev, u32 addr)
262 {
263 	return mt76_rr(dev, mt7921_reg_map_l1(dev, addr));
264 }
265 
266 static inline void
267 mt7921_l1_wr(struct mt7921_dev *dev, u32 addr, u32 val)
268 {
269 	mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val);
270 }
271 
272 static inline u32
273 mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val)
274 {
275 	val |= mt7921_l1_rr(dev, addr) & ~mask;
276 	mt7921_l1_wr(dev, addr, val);
277 
278 	return val;
279 }
280 
281 #define mt7921_l1_set(dev, addr, val)	mt7921_l1_rmw(dev, addr, 0, val)
282 #define mt7921_l1_clear(dev, addr, val)	mt7921_l1_rmw(dev, addr, val, 0)
283 
284 bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask);
285 void mt7921_mac_reset_counters(struct mt7921_phy *phy);
286 void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi,
287 			   struct sk_buff *skb, struct mt76_wcid *wcid,
288 			   struct ieee80211_key_conf *key, bool beacon);
289 void mt7921_mac_set_timing(struct mt7921_phy *phy);
290 int mt7921_mac_fill_rx(struct mt7921_dev *dev, struct sk_buff *skb);
291 void mt7921_mac_fill_rx_vector(struct mt7921_dev *dev, struct sk_buff *skb);
292 void mt7921_mac_tx_free(struct mt7921_dev *dev, struct sk_buff *skb);
293 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
294 		       struct ieee80211_sta *sta);
295 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
296 			   struct ieee80211_sta *sta);
297 void mt7921_mac_work(struct work_struct *work);
298 void mt7921_mac_reset_work(struct work_struct *work);
299 int mt7921_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
300 			  enum mt76_txq_id qid, struct mt76_wcid *wcid,
301 			  struct ieee80211_sta *sta,
302 			  struct mt76_tx_info *tx_info);
303 void mt7921_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
304 int mt7921_init_tx_queues(struct mt7921_phy *phy, int idx, int n_desc);
305 void mt7921_tx_token_put(struct mt7921_dev *dev);
306 void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
307 			 struct sk_buff *skb);
308 void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
309 void mt7921_stats_work(struct work_struct *work);
310 void mt7921_txp_skb_unmap(struct mt76_dev *dev,
311 			  struct mt76_txwi_cache *txwi);
312 void mt7921_set_stream_he_caps(struct mt7921_phy *phy);
313 void mt7921_update_channel(struct mt76_dev *mdev);
314 int mt7921_init_debugfs(struct mt7921_dev *dev);
315 
316 int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev,
317 			 struct ieee80211_ampdu_params *params,
318 			 bool enable);
319 int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev,
320 			 struct ieee80211_ampdu_params *params,
321 			 bool enable);
322 void mt7921_scan_work(struct work_struct *work);
323 u32 mt7921_get_wtbl_info(struct mt7921_dev *dev, u32 wlan_idx);
324 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif);
325 int mt7921_mcu_uni_bss_bcnft(struct mt7921_dev *dev, struct ieee80211_vif *vif,
326 			     bool enable);
327 int mt7921_mcu_set_bss_pm(struct mt7921_dev *dev, struct ieee80211_vif *vif,
328 			  bool enable);
329 int mt7921_mcu_update_arp_filter(struct ieee80211_hw *hw,
330 				 struct ieee80211_vif *vif,
331 				 struct ieee80211_bss_conf *info);
332 int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev);
333 int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev);
334 void mt7921_pm_wake_work(struct work_struct *work);
335 void mt7921_pm_power_save_work(struct work_struct *work);
336 bool mt7921_wait_for_mcu_init(struct mt7921_dev *dev);
337 int mt7921_mac_set_beacon_filter(struct mt7921_phy *phy,
338 				 struct ieee80211_vif *vif,
339 				 bool enable);
340 void mt7921_pm_interface_iter(void *priv, u8 *mac, struct ieee80211_vif *vif);
341 void mt7921_coredump_work(struct work_struct *work);
342 #endif
343