1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2020 MediaTek Inc. */ 3 4 #include "mt7921.h" 5 6 static int 7 mt7921_reg_set(void *data, u64 val) 8 { 9 struct mt7921_dev *dev = data; 10 11 mt7921_mutex_acquire(dev); 12 mt76_wr(dev, dev->mt76.debugfs_reg, val); 13 mt7921_mutex_release(dev); 14 15 return 0; 16 } 17 18 static int 19 mt7921_reg_get(void *data, u64 *val) 20 { 21 struct mt7921_dev *dev = data; 22 23 mt7921_mutex_acquire(dev); 24 *val = mt76_rr(dev, dev->mt76.debugfs_reg); 25 mt7921_mutex_release(dev); 26 27 return 0; 28 } 29 30 DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt7921_reg_get, mt7921_reg_set, 31 "0x%08llx\n"); 32 static int 33 mt7921_fw_debug_set(void *data, u64 val) 34 { 35 struct mt7921_dev *dev = data; 36 37 mt7921_mutex_acquire(dev); 38 39 dev->fw_debug = (u8)val; 40 mt7921_mcu_fw_log_2_host(dev, dev->fw_debug); 41 42 mt7921_mutex_release(dev); 43 44 return 0; 45 } 46 47 static int 48 mt7921_fw_debug_get(void *data, u64 *val) 49 { 50 struct mt7921_dev *dev = data; 51 52 *val = dev->fw_debug; 53 54 return 0; 55 } 56 57 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7921_fw_debug_get, 58 mt7921_fw_debug_set, "%lld\n"); 59 60 static void 61 mt7921_ampdu_stat_read_phy(struct mt7921_phy *phy, 62 struct seq_file *file) 63 { 64 struct mt7921_dev *dev = file->private; 65 int bound[15], range[4], i; 66 67 if (!phy) 68 return; 69 70 mt7921_mac_update_mib_stats(phy); 71 72 /* Tx ampdu stat */ 73 for (i = 0; i < ARRAY_SIZE(range); i++) 74 range[i] = mt76_rr(dev, MT_MIB_ARNG(0, i)); 75 76 for (i = 0; i < ARRAY_SIZE(bound); i++) 77 bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i % 4) + 1; 78 79 seq_printf(file, "\nPhy0\n"); 80 81 seq_printf(file, "Length: %8d | ", bound[0]); 82 for (i = 0; i < ARRAY_SIZE(bound) - 1; i++) 83 seq_printf(file, "%3d %3d | ", bound[i] + 1, bound[i + 1]); 84 85 seq_puts(file, "\nCount: "); 86 for (i = 0; i < ARRAY_SIZE(bound); i++) 87 seq_printf(file, "%8d | ", phy->mt76->aggr_stats[i]); 88 seq_puts(file, "\n"); 89 90 seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt); 91 } 92 93 static int 94 mt7921_tx_stats_show(struct seq_file *file, void *data) 95 { 96 struct mt7921_dev *dev = file->private; 97 struct mt7921_phy *phy = &dev->phy; 98 struct mt76_mib_stats *mib = &phy->mib; 99 int i; 100 101 mt7921_mutex_acquire(dev); 102 103 mt7921_ampdu_stat_read_phy(phy, file); 104 105 seq_puts(file, "Tx MSDU stat:\n"); 106 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) { 107 seq_printf(file, "AMSDU pack count of %d MSDU in TXD: %8d ", 108 i + 1, mib->tx_amsdu[i]); 109 if (mib->tx_amsdu_cnt) 110 seq_printf(file, "(%3d%%)\n", 111 mib->tx_amsdu[i] * 100 / mib->tx_amsdu_cnt); 112 else 113 seq_puts(file, "\n"); 114 } 115 116 mt7921_mutex_release(dev); 117 118 return 0; 119 } 120 121 DEFINE_SHOW_ATTRIBUTE(mt7921_tx_stats); 122 123 static int 124 mt7921_queues_acq(struct seq_file *s, void *data) 125 { 126 struct mt7921_dev *dev = dev_get_drvdata(s->private); 127 int i; 128 129 mt7921_mutex_acquire(dev); 130 131 for (i = 0; i < 4; i++) { 132 u32 ctrl, val, qlen = 0; 133 int j; 134 135 val = mt76_rr(dev, MT_PLE_AC_QEMPTY(i)); 136 ctrl = BIT(31) | BIT(11) | (i << 24); 137 138 for (j = 0; j < 32; j++) { 139 if (val & BIT(j)) 140 continue; 141 142 mt76_wr(dev, MT_PLE_FL_Q0_CTRL, ctrl | j); 143 qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL, 144 GENMASK(11, 0)); 145 } 146 seq_printf(s, "AC%d: queued=%d\n", i, qlen); 147 } 148 149 mt7921_mutex_release(dev); 150 151 return 0; 152 } 153 154 static int 155 mt7921_queues_read(struct seq_file *s, void *data) 156 { 157 struct mt7921_dev *dev = dev_get_drvdata(s->private); 158 struct { 159 struct mt76_queue *q; 160 char *queue; 161 } queue_map[] = { 162 { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" }, 163 { dev->mt76.q_mcu[MT_MCUQ_WM], "MCUWM" }, 164 { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" }, 165 }; 166 int i; 167 168 for (i = 0; i < ARRAY_SIZE(queue_map); i++) { 169 struct mt76_queue *q = queue_map[i].q; 170 171 if (!q) 172 continue; 173 174 seq_printf(s, 175 "%s: queued=%d head=%d tail=%d\n", 176 queue_map[i].queue, q->queued, q->head, 177 q->tail); 178 } 179 180 return 0; 181 } 182 183 static void 184 mt7921_seq_puts_array(struct seq_file *file, const char *str, 185 s8 *val, int len) 186 { 187 int i; 188 189 seq_printf(file, "%-16s:", str); 190 for (i = 0; i < len; i++) 191 if (val[i] == 127) 192 seq_printf(file, " %6s", "N.A"); 193 else 194 seq_printf(file, " %6d", val[i]); 195 seq_puts(file, "\n"); 196 } 197 198 #define mt7921_print_txpwr_entry(prefix, rate) \ 199 ({ \ 200 mt7921_seq_puts_array(s, #prefix " (user)", \ 201 txpwr.data[TXPWR_USER].rate, \ 202 ARRAY_SIZE(txpwr.data[TXPWR_USER].rate)); \ 203 mt7921_seq_puts_array(s, #prefix " (eeprom)", \ 204 txpwr.data[TXPWR_EEPROM].rate, \ 205 ARRAY_SIZE(txpwr.data[TXPWR_EEPROM].rate)); \ 206 mt7921_seq_puts_array(s, #prefix " (tmac)", \ 207 txpwr.data[TXPWR_MAC].rate, \ 208 ARRAY_SIZE(txpwr.data[TXPWR_MAC].rate)); \ 209 }) 210 211 static int 212 mt7921_txpwr(struct seq_file *s, void *data) 213 { 214 struct mt7921_dev *dev = dev_get_drvdata(s->private); 215 struct mt7921_txpwr txpwr; 216 int ret; 217 218 mt7921_mutex_acquire(dev); 219 ret = mt7921_get_txpwr_info(dev, &txpwr); 220 mt7921_mutex_release(dev); 221 222 if (ret) 223 return ret; 224 225 seq_printf(s, "Tx power table (channel %d)\n", txpwr.ch); 226 seq_printf(s, "%-16s %6s %6s %6s %6s\n", 227 " ", "1m", "2m", "5m", "11m"); 228 mt7921_print_txpwr_entry(CCK, cck); 229 230 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n", 231 " ", "6m", "9m", "12m", "18m", "24m", "36m", 232 "48m", "54m"); 233 mt7921_print_txpwr_entry(OFDM, ofdm); 234 235 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n", 236 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 237 "mcs6", "mcs7"); 238 mt7921_print_txpwr_entry(HT20, ht20); 239 240 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", 241 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 242 "mcs6", "mcs7", "mcs32"); 243 mt7921_print_txpwr_entry(HT40, ht40); 244 245 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", 246 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 247 "mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11"); 248 mt7921_print_txpwr_entry(VHT20, vht20); 249 mt7921_print_txpwr_entry(VHT40, vht40); 250 mt7921_print_txpwr_entry(VHT80, vht80); 251 mt7921_print_txpwr_entry(VHT160, vht160); 252 mt7921_print_txpwr_entry(HE26, he26); 253 mt7921_print_txpwr_entry(HE52, he52); 254 mt7921_print_txpwr_entry(HE106, he106); 255 mt7921_print_txpwr_entry(HE242, he242); 256 mt7921_print_txpwr_entry(HE484, he484); 257 mt7921_print_txpwr_entry(HE996, he996); 258 mt7921_print_txpwr_entry(HE996x2, he996x2); 259 260 return 0; 261 } 262 263 static int 264 mt7921_pm_set(void *data, u64 val) 265 { 266 struct mt7921_dev *dev = data; 267 struct mt76_connac_pm *pm = &dev->pm; 268 269 if (mt76_is_usb(&dev->mt76)) 270 return -EOPNOTSUPP; 271 272 mutex_lock(&dev->mt76.mutex); 273 274 if (val == pm->enable_user) 275 goto out; 276 277 if (!pm->enable_user) { 278 pm->stats.last_wake_event = jiffies; 279 pm->stats.last_doze_event = jiffies; 280 } 281 /* make sure the chip is awake here and ps_work is scheduled 282 * just at end of the this routine. 283 */ 284 pm->enable = false; 285 mt76_connac_pm_wake(&dev->mphy, pm); 286 287 pm->enable_user = val; 288 mt7921_set_runtime_pm(dev); 289 mt76_connac_power_save_sched(&dev->mphy, pm); 290 out: 291 mutex_unlock(&dev->mt76.mutex); 292 293 return 0; 294 } 295 296 static int 297 mt7921_pm_get(void *data, u64 *val) 298 { 299 struct mt7921_dev *dev = data; 300 301 *val = dev->pm.enable_user; 302 303 return 0; 304 } 305 306 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set, "%lld\n"); 307 308 static int 309 mt7921_deep_sleep_set(void *data, u64 val) 310 { 311 struct mt7921_dev *dev = data; 312 struct mt76_connac_pm *pm = &dev->pm; 313 bool monitor = !!(dev->mphy.hw->conf.flags & IEEE80211_CONF_MONITOR); 314 bool enable = !!val; 315 316 if (mt76_is_usb(&dev->mt76)) 317 return -EOPNOTSUPP; 318 319 mt7921_mutex_acquire(dev); 320 if (pm->ds_enable_user == enable) 321 goto out; 322 323 pm->ds_enable_user = enable; 324 pm->ds_enable = enable && !monitor; 325 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 326 out: 327 mt7921_mutex_release(dev); 328 329 return 0; 330 } 331 332 static int 333 mt7921_deep_sleep_get(void *data, u64 *val) 334 { 335 struct mt7921_dev *dev = data; 336 337 *val = dev->pm.ds_enable_user; 338 339 return 0; 340 } 341 342 DEFINE_DEBUGFS_ATTRIBUTE(fops_ds, mt7921_deep_sleep_get, 343 mt7921_deep_sleep_set, "%lld\n"); 344 345 static int 346 mt7921_pm_stats(struct seq_file *s, void *data) 347 { 348 struct mt7921_dev *dev = dev_get_drvdata(s->private); 349 struct mt76_connac_pm *pm = &dev->pm; 350 351 unsigned long awake_time = pm->stats.awake_time; 352 unsigned long doze_time = pm->stats.doze_time; 353 354 if (!test_bit(MT76_STATE_PM, &dev->mphy.state)) 355 awake_time += jiffies - pm->stats.last_wake_event; 356 else 357 doze_time += jiffies - pm->stats.last_doze_event; 358 359 seq_printf(s, "awake time: %14u\ndoze time: %15u\n", 360 jiffies_to_msecs(awake_time), 361 jiffies_to_msecs(doze_time)); 362 363 seq_printf(s, "low power wakes: %9d\n", pm->stats.lp_wake); 364 365 return 0; 366 } 367 368 static int 369 mt7921_pm_idle_timeout_set(void *data, u64 val) 370 { 371 struct mt7921_dev *dev = data; 372 373 dev->pm.idle_timeout = msecs_to_jiffies(val); 374 375 return 0; 376 } 377 378 static int 379 mt7921_pm_idle_timeout_get(void *data, u64 *val) 380 { 381 struct mt7921_dev *dev = data; 382 383 *val = jiffies_to_msecs(dev->pm.idle_timeout); 384 385 return 0; 386 } 387 388 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm_idle_timeout, mt7921_pm_idle_timeout_get, 389 mt7921_pm_idle_timeout_set, "%lld\n"); 390 391 static int mt7921_chip_reset(void *data, u64 val) 392 { 393 struct mt7921_dev *dev = data; 394 int ret = 0; 395 396 switch (val) { 397 case 1: 398 /* Reset wifisys directly. */ 399 mt7921_reset(&dev->mt76); 400 break; 401 default: 402 /* Collect the core dump before reset wifisys. */ 403 mt7921_mutex_acquire(dev); 404 ret = mt76_connac_mcu_chip_config(&dev->mt76); 405 mt7921_mutex_release(dev); 406 break; 407 } 408 409 return ret; 410 } 411 412 DEFINE_DEBUGFS_ATTRIBUTE(fops_reset, NULL, mt7921_chip_reset, "%lld\n"); 413 414 static int 415 mt7921s_sched_quota_read(struct seq_file *s, void *data) 416 { 417 struct mt7921_dev *dev = dev_get_drvdata(s->private); 418 struct mt76_sdio *sdio = &dev->mt76.sdio; 419 420 seq_printf(s, "pse_data_quota\t%d\n", sdio->sched.pse_data_quota); 421 seq_printf(s, "ple_data_quota\t%d\n", sdio->sched.ple_data_quota); 422 seq_printf(s, "pse_mcu_quota\t%d\n", sdio->sched.pse_mcu_quota); 423 seq_printf(s, "sched_deficit\t%d\n", sdio->sched.deficit); 424 425 return 0; 426 } 427 428 int mt7921_init_debugfs(struct mt7921_dev *dev) 429 { 430 struct dentry *dir; 431 432 dir = mt76_register_debugfs_fops(&dev->mphy, &fops_regval); 433 if (!dir) 434 return -ENOMEM; 435 436 if (mt76_is_mmio(&dev->mt76)) 437 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", 438 dir, mt7921_queues_read); 439 else 440 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", 441 dir, mt76_queues_read); 442 443 debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, 444 mt7921_queues_acq); 445 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, 446 mt7921_txpwr); 447 debugfs_create_file("tx_stats", 0400, dir, dev, &mt7921_tx_stats_fops); 448 debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); 449 debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm); 450 debugfs_create_file("idle-timeout", 0600, dir, dev, 451 &fops_pm_idle_timeout); 452 debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset); 453 debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir, 454 mt7921_pm_stats); 455 debugfs_create_file("deep-sleep", 0600, dir, dev, &fops_ds); 456 if (mt76_is_sdio(&dev->mt76)) 457 debugfs_create_devm_seqfile(dev->mt76.dev, "sched-quota", dir, 458 mt7921s_sched_quota_read); 459 return 0; 460 } 461