xref: /freebsd/sys/contrib/dev/mediatek/mt76/mt7915/testmode.c (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1 // SPDX-License-Identifier: ISC
2 /* Copyright (C) 2020 MediaTek Inc. */
3 
4 #include "mt7915.h"
5 #include "mac.h"
6 #include "mcu.h"
7 #include "testmode.h"
8 
9 enum {
10 	TM_CHANGED_TXPOWER,
11 	TM_CHANGED_FREQ_OFFSET,
12 
13 	/* must be last */
14 	NUM_TM_CHANGED
15 };
16 
17 static const u8 tm_change_map[] = {
18 	[TM_CHANGED_TXPOWER] = MT76_TM_ATTR_TX_POWER,
19 	[TM_CHANGED_FREQ_OFFSET] = MT76_TM_ATTR_FREQ_OFFSET,
20 };
21 
22 struct reg_band {
23 	u32 band[2];
24 };
25 
26 #define REG_BAND(_list, _reg) \
27 		{ _list.band[0] = MT_##_reg(0);	\
28 		  _list.band[1] = MT_##_reg(1); }
29 #define REG_BAND_IDX(_list, _reg, _idx) \
30 		{ _list.band[0] = MT_##_reg(0, _idx);	\
31 		  _list.band[1] = MT_##_reg(1, _idx); }
32 
33 #define TM_REG_MAX_ID	17
34 static struct reg_band reg_backup_list[TM_REG_MAX_ID];
35 
36 
37 static int
38 mt7915_tm_set_tx_power(struct mt7915_phy *phy)
39 {
40 	struct mt7915_dev *dev = phy->dev;
41 	struct mt76_phy *mphy = phy->mt76;
42 	struct cfg80211_chan_def *chandef = &mphy->chandef;
43 	int freq = chandef->center_freq1;
44 	int ret;
45 	struct {
46 		u8 format_id;
47 		u8 dbdc_idx;
48 		s8 tx_power;
49 		u8 ant_idx;	/* Only 0 is valid */
50 		u8 center_chan;
51 		u8 rsv[3];
52 	} __packed req = {
53 		.format_id = 0xf,
54 		.dbdc_idx = phy != &dev->phy,
55 		.center_chan = ieee80211_frequency_to_channel(freq),
56 	};
57 	u8 *tx_power = NULL;
58 
59 	if (phy->mt76->test.state != MT76_TM_STATE_OFF)
60 		tx_power = phy->mt76->test.tx_power;
61 
62 	/* Tx power of the other antennas are the same as antenna 0 */
63 	if (tx_power && tx_power[0])
64 		req.tx_power = tx_power[0];
65 
66 	ret = mt76_mcu_send_msg(&dev->mt76,
67 				MCU_EXT_CMD(TX_POWER_FEATURE_CTRL),
68 				&req, sizeof(req), false);
69 
70 	return ret;
71 }
72 
73 static int
74 mt7915_tm_set_freq_offset(struct mt7915_phy *phy, bool en, u32 val)
75 {
76 	struct mt7915_dev *dev = phy->dev;
77 	struct mt7915_tm_cmd req = {
78 		.testmode_en = en,
79 		.param_idx = MCU_ATE_SET_FREQ_OFFSET,
80 		.param.freq.band = phy != &dev->phy,
81 		.param.freq.freq_offset = cpu_to_le32(val),
82 	};
83 
84 	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req,
85 				 sizeof(req), false);
86 }
87 
88 static int
89 mt7915_tm_mode_ctrl(struct mt7915_dev *dev, bool enable)
90 {
91 	struct {
92 		u8 format_id;
93 		bool enable;
94 		u8 rsv[2];
95 	} __packed req = {
96 		.format_id = 0x6,
97 		.enable = enable,
98 	};
99 
100 	return mt76_mcu_send_msg(&dev->mt76,
101 				 MCU_EXT_CMD(TX_POWER_FEATURE_CTRL),
102 				 &req, sizeof(req), false);
103 }
104 
105 static int
106 mt7915_tm_set_trx(struct mt7915_phy *phy, int type, bool en)
107 {
108 	struct mt7915_dev *dev = phy->dev;
109 	struct mt7915_tm_cmd req = {
110 		.testmode_en = 1,
111 		.param_idx = MCU_ATE_SET_TRX,
112 		.param.trx.type = type,
113 		.param.trx.enable = en,
114 		.param.trx.band = phy != &dev->phy,
115 	};
116 
117 	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req,
118 				 sizeof(req), false);
119 }
120 
121 static int
122 mt7915_tm_clean_hwq(struct mt7915_phy *phy, u8 wcid)
123 {
124 	struct mt7915_dev *dev = phy->dev;
125 	struct mt7915_tm_cmd req = {
126 		.testmode_en = 1,
127 		.param_idx = MCU_ATE_CLEAN_TXQUEUE,
128 		.param.clean.wcid = wcid,
129 		.param.clean.band = phy != &dev->phy,
130 	};
131 
132 	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req,
133 				 sizeof(req), false);
134 }
135 
136 static int
137 mt7915_tm_set_slot_time(struct mt7915_phy *phy, u8 slot_time, u8 sifs)
138 {
139 	struct mt7915_dev *dev = phy->dev;
140 	struct mt7915_tm_cmd req = {
141 		.testmode_en = !(phy->mt76->test.state == MT76_TM_STATE_OFF),
142 		.param_idx = MCU_ATE_SET_SLOT_TIME,
143 		.param.slot.slot_time = slot_time,
144 		.param.slot.sifs = sifs,
145 		.param.slot.rifs = 2,
146 		.param.slot.eifs = cpu_to_le16(60),
147 		.param.slot.band = phy != &dev->phy,
148 	};
149 
150 	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req,
151 				 sizeof(req), false);
152 }
153 
154 static int
155 mt7915_tm_set_tam_arb(struct mt7915_phy *phy, bool enable, bool mu)
156 {
157 	struct mt7915_dev *dev = phy->dev;
158 	u32 op_mode;
159 
160 	if (!enable)
161 		op_mode = TAM_ARB_OP_MODE_NORMAL;
162 	else if (mu)
163 		op_mode = TAM_ARB_OP_MODE_TEST;
164 	else
165 		op_mode = TAM_ARB_OP_MODE_FORCE_SU;
166 
167 	return mt7915_mcu_set_muru_ctrl(dev, MURU_SET_ARB_OP_MODE, op_mode);
168 }
169 
170 static int
171 mt7915_tm_set_wmm_qid(struct mt7915_phy *phy, u8 qid, u8 aifs, u8 cw_min,
172 		      u16 cw_max, u16 txop)
173 {
174 	struct mt7915_vif *mvif = (struct mt7915_vif *)phy->monitor_vif->drv_priv;
175 	struct mt7915_mcu_tx req = { .total = 1 };
176 	struct edca *e = &req.edca[0];
177 
178 	e->queue = qid + mvif->mt76.wmm_idx * MT76_CONNAC_MAX_WMM_SETS;
179 	e->set = WMM_PARAM_SET;
180 
181 	e->aifs = aifs;
182 	e->cw_min = cw_min;
183 	e->cw_max = cpu_to_le16(cw_max);
184 	e->txop = cpu_to_le16(txop);
185 
186 	return mt7915_mcu_update_edca(phy->dev, &req);
187 }
188 
189 static int
190 mt7915_tm_set_ipg_params(struct mt7915_phy *phy, u32 ipg, u8 mode)
191 {
192 #define TM_DEFAULT_SIFS	10
193 #define TM_MAX_SIFS	127
194 #define TM_MAX_AIFSN	0xf
195 #define TM_MIN_AIFSN	0x1
196 #define BBP_PROC_TIME	1500
197 	struct mt7915_dev *dev = phy->dev;
198 	u8 sig_ext = (mode == MT76_TM_TX_MODE_CCK) ? 0 : 6;
199 	u8 slot_time = 9, sifs = TM_DEFAULT_SIFS;
200 	u8 aifsn = TM_MIN_AIFSN;
201 	u32 i2t_time, tr2t_time, txv_time;
202 	u16 cw = 0;
203 
204 	if (ipg < sig_ext + slot_time + sifs)
205 		ipg = 0;
206 
207 	if (!ipg)
208 		goto done;
209 
210 	ipg -= sig_ext;
211 
212 	if (ipg <= (TM_MAX_SIFS + slot_time)) {
213 		sifs = ipg - slot_time;
214 	} else {
215 		u32 val = (ipg + slot_time) / slot_time;
216 
217 		while (val >>= 1)
218 			cw++;
219 
220 		if (cw > 16)
221 			cw = 16;
222 
223 		ipg -= ((1 << cw) - 1) * slot_time;
224 
225 		aifsn = ipg / slot_time;
226 		if (aifsn > TM_MAX_AIFSN)
227 			aifsn = TM_MAX_AIFSN;
228 
229 		ipg -= aifsn * slot_time;
230 
231 		if (ipg > TM_DEFAULT_SIFS)
232 			sifs = min_t(u32, ipg, TM_MAX_SIFS);
233 	}
234 done:
235 	txv_time = mt76_get_field(dev, MT_TMAC_ATCR(phy->band_idx),
236 				  MT_TMAC_ATCR_TXV_TOUT);
237 	txv_time *= 50;	/* normal clock time */
238 
239 	i2t_time = (slot_time * 1000 - txv_time - BBP_PROC_TIME) / 50;
240 	tr2t_time = (sifs * 1000 - txv_time - BBP_PROC_TIME) / 50;
241 
242 	mt76_set(dev, MT_TMAC_TRCR0(phy->band_idx),
243 		 FIELD_PREP(MT_TMAC_TRCR0_TR2T_CHK, tr2t_time) |
244 		 FIELD_PREP(MT_TMAC_TRCR0_I2T_CHK, i2t_time));
245 
246 	mt7915_tm_set_slot_time(phy, slot_time, sifs);
247 
248 	return mt7915_tm_set_wmm_qid(phy,
249 				     mt76_connac_lmac_mapping(IEEE80211_AC_BE),
250 				     aifsn, cw, cw, 0);
251 }
252 
253 static int
254 mt7915_tm_set_tx_len(struct mt7915_phy *phy, u32 tx_time)
255 {
256 	struct mt76_phy *mphy = phy->mt76;
257 	struct mt76_testmode_data *td = &mphy->test;
258 	struct ieee80211_supported_band *sband;
259 	struct rate_info rate = {};
260 	u16 flags = 0, tx_len;
261 	u32 bitrate;
262 	int ret;
263 
264 	if (!tx_time)
265 		return 0;
266 
267 	rate.mcs = td->tx_rate_idx;
268 	rate.nss = td->tx_rate_nss;
269 
270 	switch (td->tx_rate_mode) {
271 	case MT76_TM_TX_MODE_CCK:
272 	case MT76_TM_TX_MODE_OFDM:
273 		if (mphy->chandef.chan->band == NL80211_BAND_5GHZ)
274 			sband = &mphy->sband_5g.sband;
275 		else if (mphy->chandef.chan->band == NL80211_BAND_6GHZ)
276 			sband = &mphy->sband_6g.sband;
277 		else
278 			sband = &mphy->sband_2g.sband;
279 
280 		rate.legacy = sband->bitrates[rate.mcs].bitrate;
281 		break;
282 	case MT76_TM_TX_MODE_HT:
283 		rate.mcs += rate.nss * 8;
284 		flags |= RATE_INFO_FLAGS_MCS;
285 
286 		if (td->tx_rate_sgi)
287 			flags |= RATE_INFO_FLAGS_SHORT_GI;
288 		break;
289 	case MT76_TM_TX_MODE_VHT:
290 		flags |= RATE_INFO_FLAGS_VHT_MCS;
291 
292 		if (td->tx_rate_sgi)
293 			flags |= RATE_INFO_FLAGS_SHORT_GI;
294 		break;
295 	case MT76_TM_TX_MODE_HE_SU:
296 	case MT76_TM_TX_MODE_HE_EXT_SU:
297 	case MT76_TM_TX_MODE_HE_TB:
298 	case MT76_TM_TX_MODE_HE_MU:
299 		rate.he_gi = td->tx_rate_sgi;
300 		flags |= RATE_INFO_FLAGS_HE_MCS;
301 		break;
302 	default:
303 		break;
304 	}
305 	rate.flags = flags;
306 
307 	switch (mphy->chandef.width) {
308 	case NL80211_CHAN_WIDTH_160:
309 	case NL80211_CHAN_WIDTH_80P80:
310 		rate.bw = RATE_INFO_BW_160;
311 		break;
312 	case NL80211_CHAN_WIDTH_80:
313 		rate.bw = RATE_INFO_BW_80;
314 		break;
315 	case NL80211_CHAN_WIDTH_40:
316 		rate.bw = RATE_INFO_BW_40;
317 		break;
318 	default:
319 		rate.bw = RATE_INFO_BW_20;
320 		break;
321 	}
322 
323 	bitrate = cfg80211_calculate_bitrate(&rate);
324 	tx_len = bitrate * tx_time / 10 / 8;
325 
326 	ret = mt76_testmode_alloc_skb(phy->mt76, tx_len);
327 	if (ret)
328 		return ret;
329 
330 	return 0;
331 }
332 
333 static void
334 mt7915_tm_reg_backup_restore(struct mt7915_phy *phy)
335 {
336 	int n_regs = ARRAY_SIZE(reg_backup_list);
337 	struct mt7915_dev *dev = phy->dev;
338 	u32 *b = phy->test.reg_backup;
339 	int i;
340 
341 	REG_BAND_IDX(reg_backup_list[0], AGG_PCR0, 0);
342 	REG_BAND_IDX(reg_backup_list[1], AGG_PCR0, 1);
343 	REG_BAND_IDX(reg_backup_list[2], AGG_AWSCR0, 0);
344 	REG_BAND_IDX(reg_backup_list[3], AGG_AWSCR0, 1);
345 	REG_BAND_IDX(reg_backup_list[4], AGG_AWSCR0, 2);
346 	REG_BAND_IDX(reg_backup_list[5], AGG_AWSCR0, 3);
347 	REG_BAND(reg_backup_list[6], AGG_MRCR);
348 	REG_BAND(reg_backup_list[7], TMAC_TFCR0);
349 	REG_BAND(reg_backup_list[8], TMAC_TCR0);
350 	REG_BAND(reg_backup_list[9], AGG_ATCR1);
351 	REG_BAND(reg_backup_list[10], AGG_ATCR3);
352 	REG_BAND(reg_backup_list[11], TMAC_TRCR0);
353 	REG_BAND(reg_backup_list[12], TMAC_ICR0);
354 	REG_BAND_IDX(reg_backup_list[13], ARB_DRNGR0, 0);
355 	REG_BAND_IDX(reg_backup_list[14], ARB_DRNGR0, 1);
356 	REG_BAND(reg_backup_list[15], WF_RFCR);
357 	REG_BAND(reg_backup_list[16], WF_RFCR1);
358 
359 	if (phy->mt76->test.state == MT76_TM_STATE_OFF) {
360 		for (i = 0; i < n_regs; i++)
361 			mt76_wr(dev, reg_backup_list[i].band[phy->band_idx], b[i]);
362 		return;
363 	}
364 
365 	if (!b) {
366 		b = devm_kzalloc(dev->mt76.dev, 4 * n_regs, GFP_KERNEL);
367 		if (!b)
368 			return;
369 
370 		phy->test.reg_backup = b;
371 		for (i = 0; i < n_regs; i++)
372 			b[i] = mt76_rr(dev, reg_backup_list[i].band[phy->band_idx]);
373 	}
374 
375 	mt76_clear(dev, MT_AGG_PCR0(phy->band_idx, 0), MT_AGG_PCR0_MM_PROT |
376 		   MT_AGG_PCR0_GF_PROT | MT_AGG_PCR0_ERP_PROT |
377 		   MT_AGG_PCR0_VHT_PROT | MT_AGG_PCR0_BW20_PROT |
378 		   MT_AGG_PCR0_BW40_PROT | MT_AGG_PCR0_BW80_PROT);
379 	mt76_set(dev, MT_AGG_PCR0(phy->band_idx, 0), MT_AGG_PCR0_PTA_WIN_DIS);
380 
381 	mt76_wr(dev, MT_AGG_PCR0(phy->band_idx, 1), MT_AGG_PCR1_RTS0_NUM_THRES |
382 		MT_AGG_PCR1_RTS0_LEN_THRES);
383 
384 	mt76_clear(dev, MT_AGG_MRCR(phy->band_idx), MT_AGG_MRCR_BAR_CNT_LIMIT |
385 		   MT_AGG_MRCR_LAST_RTS_CTS_RN | MT_AGG_MRCR_RTS_FAIL_LIMIT |
386 		   MT_AGG_MRCR_TXCMD_RTS_FAIL_LIMIT);
387 
388 	mt76_rmw(dev, MT_AGG_MRCR(phy->band_idx), MT_AGG_MRCR_RTS_FAIL_LIMIT |
389 		 MT_AGG_MRCR_TXCMD_RTS_FAIL_LIMIT,
390 		 FIELD_PREP(MT_AGG_MRCR_RTS_FAIL_LIMIT, 1) |
391 		 FIELD_PREP(MT_AGG_MRCR_TXCMD_RTS_FAIL_LIMIT, 1));
392 
393 	mt76_wr(dev, MT_TMAC_TFCR0(phy->band_idx), 0);
394 	mt76_clear(dev, MT_TMAC_TCR0(phy->band_idx), MT_TMAC_TCR0_TBTT_STOP_CTRL);
395 
396 	/* config rx filter for testmode rx */
397 	mt76_wr(dev, MT_WF_RFCR(phy->band_idx), 0xcf70a);
398 	mt76_wr(dev, MT_WF_RFCR1(phy->band_idx), 0);
399 }
400 
401 static void
402 mt7915_tm_init(struct mt7915_phy *phy, bool en)
403 {
404 	struct mt7915_dev *dev = phy->dev;
405 
406 	if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state))
407 		return;
408 
409 	mt7915_mcu_set_sku_en(phy, !en);
410 
411 	mt7915_tm_mode_ctrl(dev, en);
412 	mt7915_tm_reg_backup_restore(phy);
413 	mt7915_tm_set_trx(phy, TM_MAC_TXRX, !en);
414 
415 	mt7915_mcu_add_bss_info(phy, phy->monitor_vif, en);
416 	mt7915_mcu_add_sta(dev, phy->monitor_vif, NULL, en);
417 
418 	if (!en)
419 		mt7915_tm_set_tam_arb(phy, en, 0);
420 }
421 
422 static void
423 mt7915_tm_update_channel(struct mt7915_phy *phy)
424 {
425 	mutex_unlock(&phy->dev->mt76.mutex);
426 	mt7915_set_channel(phy);
427 	mutex_lock(&phy->dev->mt76.mutex);
428 
429 	mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH));
430 }
431 
432 static void
433 mt7915_tm_set_tx_frames(struct mt7915_phy *phy, bool en)
434 {
435 	static const u8 spe_idx_map[] = {0, 0, 1, 0, 3, 2, 4, 0,
436 					 9, 8, 6, 10, 16, 12, 18, 0};
437 	struct mt76_testmode_data *td = &phy->mt76->test;
438 	struct mt7915_dev *dev = phy->dev;
439 	struct ieee80211_tx_info *info;
440 	u8 duty_cycle = td->tx_duty_cycle;
441 	u32 tx_time = td->tx_time;
442 	u32 ipg = td->tx_ipg;
443 
444 	mt7915_tm_set_trx(phy, TM_MAC_RX_RXV, false);
445 	mt7915_tm_clean_hwq(phy, dev->mt76.global_wcid.idx);
446 
447 	if (en) {
448 		mt7915_tm_update_channel(phy);
449 
450 		if (td->tx_spe_idx) {
451 			phy->test.spe_idx = td->tx_spe_idx;
452 		} else {
453 			u8 tx_ant = td->tx_antenna_mask;
454 
455 			if (phy != &dev->phy)
456 				tx_ant >>= dev->chainshift;
457 			phy->test.spe_idx = spe_idx_map[tx_ant];
458 		}
459 	}
460 
461 	mt7915_tm_set_tam_arb(phy, en,
462 			      td->tx_rate_mode == MT76_TM_TX_MODE_HE_MU);
463 
464 	/* if all three params are set, duty_cycle will be ignored */
465 	if (duty_cycle && tx_time && !ipg) {
466 		ipg = tx_time * 100 / duty_cycle - tx_time;
467 	} else if (duty_cycle && !tx_time && ipg) {
468 		if (duty_cycle < 100)
469 			tx_time = duty_cycle * ipg / (100 - duty_cycle);
470 	}
471 
472 	mt7915_tm_set_ipg_params(phy, ipg, td->tx_rate_mode);
473 	mt7915_tm_set_tx_len(phy, tx_time);
474 
475 	if (ipg)
476 		td->tx_queued_limit = MT76_TM_TIMEOUT * 1000000 / ipg / 2;
477 
478 	if (!en || !td->tx_skb)
479 		return;
480 
481 	info = IEEE80211_SKB_CB(td->tx_skb);
482 	info->control.vif = phy->monitor_vif;
483 
484 	mt7915_tm_set_trx(phy, TM_MAC_TX, en);
485 }
486 
487 static void
488 mt7915_tm_set_rx_frames(struct mt7915_phy *phy, bool en)
489 {
490 	mt7915_tm_set_trx(phy, TM_MAC_RX_RXV, false);
491 
492 	if (en) {
493 		struct mt7915_dev *dev = phy->dev;
494 
495 		mt7915_tm_update_channel(phy);
496 
497 		/* read-clear */
498 		mt76_rr(dev, MT_MIB_SDR3(phy != &dev->phy));
499 		mt7915_tm_set_trx(phy, TM_MAC_RX_RXV, en);
500 	}
501 }
502 
503 static int
504 mt7915_tm_rf_switch_mode(struct mt7915_dev *dev, u32 oper)
505 {
506 	struct mt7915_tm_rf_test req = {
507 		.op.op_mode = cpu_to_le32(oper),
508 	};
509 
510 	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RF_TEST), &req,
511 				 sizeof(req), true);
512 }
513 
514 static int
515 mt7915_tm_set_tx_cont(struct mt7915_phy *phy, bool en)
516 {
517 #define TX_CONT_START	0x05
518 #define TX_CONT_STOP	0x06
519 	struct mt7915_dev *dev = phy->dev;
520 	struct cfg80211_chan_def *chandef = &phy->mt76->chandef;
521 	int freq1 = ieee80211_frequency_to_channel(chandef->center_freq1);
522 	struct mt76_testmode_data *td = &phy->mt76->test;
523 	u32 func_idx = en ? TX_CONT_START : TX_CONT_STOP;
524 	u8 rate_idx = td->tx_rate_idx, mode;
525 	u16 rateval;
526 	struct mt7915_tm_rf_test req = {
527 		.action = 1,
528 		.icap_len = 120,
529 		.op.rf.func_idx = cpu_to_le32(func_idx),
530 	};
531 	struct tm_tx_cont *tx_cont = &req.op.rf.param.tx_cont;
532 
533 	tx_cont->control_ch = chandef->chan->hw_value;
534 	tx_cont->center_ch = freq1;
535 	tx_cont->tx_ant = td->tx_antenna_mask;
536 	tx_cont->band = phy != &dev->phy;
537 
538 	switch (chandef->width) {
539 	case NL80211_CHAN_WIDTH_40:
540 		tx_cont->bw = CMD_CBW_40MHZ;
541 		break;
542 	case NL80211_CHAN_WIDTH_80:
543 		tx_cont->bw = CMD_CBW_80MHZ;
544 		break;
545 	case NL80211_CHAN_WIDTH_80P80:
546 		tx_cont->bw = CMD_CBW_8080MHZ;
547 		break;
548 	case NL80211_CHAN_WIDTH_160:
549 		tx_cont->bw = CMD_CBW_160MHZ;
550 		break;
551 	case NL80211_CHAN_WIDTH_5:
552 		tx_cont->bw = CMD_CBW_5MHZ;
553 		break;
554 	case NL80211_CHAN_WIDTH_10:
555 		tx_cont->bw = CMD_CBW_10MHZ;
556 		break;
557 	case NL80211_CHAN_WIDTH_20:
558 		tx_cont->bw = CMD_CBW_20MHZ;
559 		break;
560 	case NL80211_CHAN_WIDTH_20_NOHT:
561 		tx_cont->bw = CMD_CBW_20MHZ;
562 		break;
563 	default:
564 		return -EINVAL;
565 	}
566 
567 	if (!en) {
568 		req.op.rf.param.func_data = cpu_to_le32(phy != &dev->phy);
569 		goto out;
570 	}
571 
572 	if (td->tx_rate_mode <= MT76_TM_TX_MODE_OFDM) {
573 		struct ieee80211_supported_band *sband;
574 		u8 idx = rate_idx;
575 
576 		if (chandef->chan->band == NL80211_BAND_5GHZ)
577 			sband = &phy->mt76->sband_5g.sband;
578 		else if (chandef->chan->band == NL80211_BAND_6GHZ)
579 			sband = &phy->mt76->sband_6g.sband;
580 		else
581 			sband = &phy->mt76->sband_2g.sband;
582 
583 		if (td->tx_rate_mode == MT76_TM_TX_MODE_OFDM)
584 			idx += 4;
585 		rate_idx = sband->bitrates[idx].hw_value & 0xff;
586 	}
587 
588 	switch (td->tx_rate_mode) {
589 	case MT76_TM_TX_MODE_CCK:
590 		mode = MT_PHY_TYPE_CCK;
591 		break;
592 	case MT76_TM_TX_MODE_OFDM:
593 		mode = MT_PHY_TYPE_OFDM;
594 		break;
595 	case MT76_TM_TX_MODE_HT:
596 		mode = MT_PHY_TYPE_HT;
597 		break;
598 	case MT76_TM_TX_MODE_VHT:
599 		mode = MT_PHY_TYPE_VHT;
600 		break;
601 	case MT76_TM_TX_MODE_HE_SU:
602 		mode = MT_PHY_TYPE_HE_SU;
603 		break;
604 	case MT76_TM_TX_MODE_HE_EXT_SU:
605 		mode = MT_PHY_TYPE_HE_EXT_SU;
606 		break;
607 	case MT76_TM_TX_MODE_HE_TB:
608 		mode = MT_PHY_TYPE_HE_TB;
609 		break;
610 	case MT76_TM_TX_MODE_HE_MU:
611 		mode = MT_PHY_TYPE_HE_MU;
612 		break;
613 	default:
614 		return -EINVAL;
615 	}
616 
617 	rateval =  mode << 6 | rate_idx;
618 	tx_cont->rateval = cpu_to_le16(rateval);
619 
620 out:
621 	if (!en) {
622 		int ret;
623 
624 		ret = mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RF_TEST), &req,
625 					sizeof(req), true);
626 		if (ret)
627 			return ret;
628 
629 		return mt7915_tm_rf_switch_mode(dev, RF_OPER_NORMAL);
630 	}
631 
632 	mt7915_tm_rf_switch_mode(dev, RF_OPER_RF_TEST);
633 	mt7915_tm_update_channel(phy);
634 
635 	return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RF_TEST), &req,
636 				 sizeof(req), true);
637 }
638 
639 static void
640 mt7915_tm_update_params(struct mt7915_phy *phy, u32 changed)
641 {
642 	struct mt76_testmode_data *td = &phy->mt76->test;
643 	bool en = phy->mt76->test.state != MT76_TM_STATE_OFF;
644 
645 	if (changed & BIT(TM_CHANGED_FREQ_OFFSET))
646 		mt7915_tm_set_freq_offset(phy, en, en ? td->freq_offset : 0);
647 	if (changed & BIT(TM_CHANGED_TXPOWER))
648 		mt7915_tm_set_tx_power(phy);
649 }
650 
651 static int
652 mt7915_tm_set_state(struct mt76_phy *mphy, enum mt76_testmode_state state)
653 {
654 	struct mt76_testmode_data *td = &mphy->test;
655 	struct mt7915_phy *phy = mphy->priv;
656 	enum mt76_testmode_state prev_state = td->state;
657 
658 	mphy->test.state = state;
659 
660 	if (prev_state == MT76_TM_STATE_TX_FRAMES ||
661 	    state == MT76_TM_STATE_TX_FRAMES)
662 		mt7915_tm_set_tx_frames(phy, state == MT76_TM_STATE_TX_FRAMES);
663 	else if (prev_state == MT76_TM_STATE_RX_FRAMES ||
664 		 state == MT76_TM_STATE_RX_FRAMES)
665 		mt7915_tm_set_rx_frames(phy, state == MT76_TM_STATE_RX_FRAMES);
666 	else if (prev_state == MT76_TM_STATE_TX_CONT ||
667 		 state == MT76_TM_STATE_TX_CONT)
668 		mt7915_tm_set_tx_cont(phy, state == MT76_TM_STATE_TX_CONT);
669 	else if (prev_state == MT76_TM_STATE_OFF ||
670 		 state == MT76_TM_STATE_OFF)
671 		mt7915_tm_init(phy, !(state == MT76_TM_STATE_OFF));
672 
673 	if ((state == MT76_TM_STATE_IDLE &&
674 	     prev_state == MT76_TM_STATE_OFF) ||
675 	    (state == MT76_TM_STATE_OFF &&
676 	     prev_state == MT76_TM_STATE_IDLE)) {
677 		u32 changed = 0;
678 		int i;
679 
680 		for (i = 0; i < ARRAY_SIZE(tm_change_map); i++) {
681 			u16 cur = tm_change_map[i];
682 
683 			if (td->param_set[cur / 32] & BIT(cur % 32))
684 				changed |= BIT(i);
685 		}
686 
687 		mt7915_tm_update_params(phy, changed);
688 	}
689 
690 	return 0;
691 }
692 
693 static int
694 mt7915_tm_set_params(struct mt76_phy *mphy, struct nlattr **tb,
695 		     enum mt76_testmode_state new_state)
696 {
697 	struct mt76_testmode_data *td = &mphy->test;
698 	struct mt7915_phy *phy = mphy->priv;
699 	u32 changed = 0;
700 	int i;
701 
702 	BUILD_BUG_ON(NUM_TM_CHANGED >= 32);
703 
704 	if (new_state == MT76_TM_STATE_OFF ||
705 	    td->state == MT76_TM_STATE_OFF)
706 		return 0;
707 
708 	if (td->tx_antenna_mask & ~mphy->chainmask)
709 		return -EINVAL;
710 
711 	for (i = 0; i < ARRAY_SIZE(tm_change_map); i++) {
712 		if (tb[tm_change_map[i]])
713 			changed |= BIT(i);
714 	}
715 
716 	mt7915_tm_update_params(phy, changed);
717 
718 	return 0;
719 }
720 
721 static int
722 mt7915_tm_dump_stats(struct mt76_phy *mphy, struct sk_buff *msg)
723 {
724 	struct mt7915_phy *phy = mphy->priv;
725 	struct mt7915_dev *dev = phy->dev;
726 	enum mt76_rxq_id q;
727 	void *rx, *rssi;
728 	u16 fcs_err;
729 	int i;
730 	u32 cnt;
731 
732 	rx = nla_nest_start(msg, MT76_TM_STATS_ATTR_LAST_RX);
733 	if (!rx)
734 		return -ENOMEM;
735 
736 	if (nla_put_s32(msg, MT76_TM_RX_ATTR_FREQ_OFFSET, phy->test.last_freq_offset))
737 		return -ENOMEM;
738 
739 	rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_RCPI);
740 	if (!rssi)
741 		return -ENOMEM;
742 
743 	for (i = 0; i < ARRAY_SIZE(phy->test.last_rcpi); i++)
744 		if (nla_put_u8(msg, i, phy->test.last_rcpi[i]))
745 			return -ENOMEM;
746 
747 	nla_nest_end(msg, rssi);
748 
749 	rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_IB_RSSI);
750 	if (!rssi)
751 		return -ENOMEM;
752 
753 	for (i = 0; i < ARRAY_SIZE(phy->test.last_ib_rssi); i++)
754 		if (nla_put_s8(msg, i, phy->test.last_ib_rssi[i]))
755 			return -ENOMEM;
756 
757 	nla_nest_end(msg, rssi);
758 
759 	rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_WB_RSSI);
760 	if (!rssi)
761 		return -ENOMEM;
762 
763 	for (i = 0; i < ARRAY_SIZE(phy->test.last_wb_rssi); i++)
764 		if (nla_put_s8(msg, i, phy->test.last_wb_rssi[i]))
765 			return -ENOMEM;
766 
767 	nla_nest_end(msg, rssi);
768 
769 	if (nla_put_u8(msg, MT76_TM_RX_ATTR_SNR, phy->test.last_snr))
770 		return -ENOMEM;
771 
772 	nla_nest_end(msg, rx);
773 
774 	cnt = mt76_rr(dev, MT_MIB_SDR3(phy->band_idx));
775 	fcs_err = is_mt7915(&dev->mt76) ? FIELD_GET(MT_MIB_SDR3_FCS_ERR_MASK, cnt) :
776 		FIELD_GET(MT_MIB_SDR3_FCS_ERR_MASK_MT7916, cnt);
777 
778 	q = phy->band_idx ? MT_RXQ_BAND1 : MT_RXQ_MAIN;
779 	mphy->test.rx_stats.packets[q] += fcs_err;
780 	mphy->test.rx_stats.fcs_error[q] += fcs_err;
781 
782 	return 0;
783 }
784 
785 const struct mt76_testmode_ops mt7915_testmode_ops = {
786 	.set_state = mt7915_tm_set_state,
787 	.set_params = mt7915_tm_set_params,
788 	.dump_stats = mt7915_tm_dump_stats,
789 };
790