1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2020 MediaTek Inc. */ 3 4 #include "mt7921.h" 5 #include "eeprom.h" 6 7 static int 8 mt7921_reg_set(void *data, u64 val) 9 { 10 struct mt7921_dev *dev = data; 11 12 mt7921_mutex_acquire(dev); 13 mt76_wr(dev, dev->mt76.debugfs_reg, val); 14 mt7921_mutex_release(dev); 15 16 return 0; 17 } 18 19 static int 20 mt7921_reg_get(void *data, u64 *val) 21 { 22 struct mt7921_dev *dev = data; 23 24 mt7921_mutex_acquire(dev); 25 *val = mt76_rr(dev, dev->mt76.debugfs_reg); 26 mt7921_mutex_release(dev); 27 28 return 0; 29 } 30 31 DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt7921_reg_get, mt7921_reg_set, 32 "0x%08llx\n"); 33 static int 34 mt7921_fw_debug_set(void *data, u64 val) 35 { 36 struct mt7921_dev *dev = data; 37 38 mt7921_mutex_acquire(dev); 39 40 dev->fw_debug = (u8)val; 41 mt7921_mcu_fw_log_2_host(dev, dev->fw_debug); 42 43 mt7921_mutex_release(dev); 44 45 return 0; 46 } 47 48 static int 49 mt7921_fw_debug_get(void *data, u64 *val) 50 { 51 struct mt7921_dev *dev = data; 52 53 *val = dev->fw_debug; 54 55 return 0; 56 } 57 58 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7921_fw_debug_get, 59 mt7921_fw_debug_set, "%lld\n"); 60 61 static void 62 mt7921_ampdu_stat_read_phy(struct mt7921_phy *phy, 63 struct seq_file *file) 64 { 65 struct mt7921_dev *dev = file->private; 66 int bound[15], range[4], i; 67 68 if (!phy) 69 return; 70 71 mt7921_mac_update_mib_stats(phy); 72 73 /* Tx ampdu stat */ 74 for (i = 0; i < ARRAY_SIZE(range); i++) 75 range[i] = mt76_rr(dev, MT_MIB_ARNG(0, i)); 76 77 for (i = 0; i < ARRAY_SIZE(bound); i++) 78 bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i % 4) + 1; 79 80 seq_printf(file, "\nPhy0\n"); 81 82 seq_printf(file, "Length: %8d | ", bound[0]); 83 for (i = 0; i < ARRAY_SIZE(bound) - 1; i++) 84 seq_printf(file, "%3d %3d | ", bound[i] + 1, bound[i + 1]); 85 86 seq_puts(file, "\nCount: "); 87 for (i = 0; i < ARRAY_SIZE(bound); i++) 88 seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i]); 89 seq_puts(file, "\n"); 90 91 seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt); 92 } 93 94 static int 95 mt7921_tx_stats_show(struct seq_file *file, void *data) 96 { 97 struct mt7921_dev *dev = file->private; 98 struct mt7921_phy *phy = &dev->phy; 99 struct mib_stats *mib = &phy->mib; 100 int i; 101 102 mt7921_mutex_acquire(dev); 103 104 mt7921_ampdu_stat_read_phy(phy, file); 105 106 seq_puts(file, "Tx MSDU stat:\n"); 107 for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu); i++) { 108 seq_printf(file, "AMSDU pack count of %d MSDU in TXD: %8d ", 109 i + 1, mib->tx_amsdu[i]); 110 if (mib->tx_amsdu_cnt) 111 seq_printf(file, "(%3d%%)\n", 112 mib->tx_amsdu[i] * 100 / mib->tx_amsdu_cnt); 113 else 114 seq_puts(file, "\n"); 115 } 116 117 mt7921_mutex_release(dev); 118 119 return 0; 120 } 121 122 DEFINE_SHOW_ATTRIBUTE(mt7921_tx_stats); 123 124 static int 125 mt7921_queues_acq(struct seq_file *s, void *data) 126 { 127 struct mt7921_dev *dev = dev_get_drvdata(s->private); 128 int i; 129 130 mt7921_mutex_acquire(dev); 131 132 for (i = 0; i < 4; i++) { 133 u32 ctrl, val, qlen = 0; 134 int j; 135 136 val = mt76_rr(dev, MT_PLE_AC_QEMPTY(i)); 137 ctrl = BIT(31) | BIT(11) | (i << 24); 138 139 for (j = 0; j < 32; j++) { 140 if (val & BIT(j)) 141 continue; 142 143 mt76_wr(dev, MT_PLE_FL_Q0_CTRL, ctrl | j); 144 qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL, 145 GENMASK(11, 0)); 146 } 147 seq_printf(s, "AC%d: queued=%d\n", i, qlen); 148 } 149 150 mt7921_mutex_release(dev); 151 152 return 0; 153 } 154 155 static int 156 mt7921_queues_read(struct seq_file *s, void *data) 157 { 158 struct mt7921_dev *dev = dev_get_drvdata(s->private); 159 struct { 160 struct mt76_queue *q; 161 char *queue; 162 } queue_map[] = { 163 { dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" }, 164 { dev->mt76.q_mcu[MT_MCUQ_WM], "MCUWM" }, 165 { dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" }, 166 }; 167 int i; 168 169 for (i = 0; i < ARRAY_SIZE(queue_map); i++) { 170 struct mt76_queue *q = queue_map[i].q; 171 172 if (!q) 173 continue; 174 175 seq_printf(s, 176 "%s: queued=%d head=%d tail=%d\n", 177 queue_map[i].queue, q->queued, q->head, 178 q->tail); 179 } 180 181 return 0; 182 } 183 184 static void 185 mt7921_seq_puts_array(struct seq_file *file, const char *str, 186 s8 *val, int len) 187 { 188 int i; 189 190 seq_printf(file, "%-16s:", str); 191 for (i = 0; i < len; i++) 192 if (val[i] == 127) 193 seq_printf(file, " %6s", "N.A"); 194 else 195 seq_printf(file, " %6d", val[i]); 196 seq_puts(file, "\n"); 197 } 198 199 #define mt7921_print_txpwr_entry(prefix, rate) \ 200 ({ \ 201 mt7921_seq_puts_array(s, #prefix " (user)", \ 202 txpwr.data[TXPWR_USER].rate, \ 203 ARRAY_SIZE(txpwr.data[TXPWR_USER].rate)); \ 204 mt7921_seq_puts_array(s, #prefix " (eeprom)", \ 205 txpwr.data[TXPWR_EEPROM].rate, \ 206 ARRAY_SIZE(txpwr.data[TXPWR_EEPROM].rate)); \ 207 mt7921_seq_puts_array(s, #prefix " (tmac)", \ 208 txpwr.data[TXPWR_MAC].rate, \ 209 ARRAY_SIZE(txpwr.data[TXPWR_MAC].rate)); \ 210 }) 211 212 static int 213 mt7921_txpwr(struct seq_file *s, void *data) 214 { 215 struct mt7921_dev *dev = dev_get_drvdata(s->private); 216 struct mt7921_txpwr txpwr; 217 int ret; 218 219 mt7921_mutex_acquire(dev); 220 ret = mt7921_get_txpwr_info(dev, &txpwr); 221 mt7921_mutex_release(dev); 222 223 if (ret) 224 return ret; 225 226 seq_printf(s, "Tx power table (channel %d)\n", txpwr.ch); 227 seq_printf(s, "%-16s %6s %6s %6s %6s\n", 228 " ", "1m", "2m", "5m", "11m"); 229 mt7921_print_txpwr_entry(CCK, cck); 230 231 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n", 232 " ", "6m", "9m", "12m", "18m", "24m", "36m", 233 "48m", "54m"); 234 mt7921_print_txpwr_entry(OFDM, ofdm); 235 236 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n", 237 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 238 "mcs6", "mcs7"); 239 mt7921_print_txpwr_entry(HT20, ht20); 240 241 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", 242 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 243 "mcs6", "mcs7", "mcs32"); 244 mt7921_print_txpwr_entry(HT40, ht40); 245 246 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", 247 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 248 "mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11"); 249 mt7921_print_txpwr_entry(VHT20, vht20); 250 mt7921_print_txpwr_entry(VHT40, vht40); 251 mt7921_print_txpwr_entry(VHT80, vht80); 252 mt7921_print_txpwr_entry(VHT160, vht160); 253 mt7921_print_txpwr_entry(HE26, he26); 254 mt7921_print_txpwr_entry(HE52, he52); 255 mt7921_print_txpwr_entry(HE106, he106); 256 mt7921_print_txpwr_entry(HE242, he242); 257 mt7921_print_txpwr_entry(HE484, he484); 258 mt7921_print_txpwr_entry(HE996, he996); 259 mt7921_print_txpwr_entry(HE996x2, he996x2); 260 261 return 0; 262 } 263 264 static int 265 mt7921_pm_set(void *data, u64 val) 266 { 267 struct mt7921_dev *dev = data; 268 struct mt76_connac_pm *pm = &dev->pm; 269 270 if (mt76_is_usb(&dev->mt76)) 271 return -EOPNOTSUPP; 272 273 mutex_lock(&dev->mt76.mutex); 274 275 if (val == pm->enable_user) 276 goto out; 277 278 if (!pm->enable_user) { 279 pm->stats.last_wake_event = jiffies; 280 pm->stats.last_doze_event = jiffies; 281 } 282 /* make sure the chip is awake here and ps_work is scheduled 283 * just at end of the this routine. 284 */ 285 pm->enable = false; 286 mt76_connac_pm_wake(&dev->mphy, pm); 287 288 pm->enable_user = val; 289 mt7921_set_runtime_pm(dev); 290 mt76_connac_power_save_sched(&dev->mphy, pm); 291 out: 292 mutex_unlock(&dev->mt76.mutex); 293 294 return 0; 295 } 296 297 static int 298 mt7921_pm_get(void *data, u64 *val) 299 { 300 struct mt7921_dev *dev = data; 301 302 *val = dev->pm.enable_user; 303 304 return 0; 305 } 306 307 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set, "%lld\n"); 308 309 static int 310 mt7921_deep_sleep_set(void *data, u64 val) 311 { 312 struct mt7921_dev *dev = data; 313 struct mt76_connac_pm *pm = &dev->pm; 314 bool monitor = !!(dev->mphy.hw->conf.flags & IEEE80211_CONF_MONITOR); 315 bool enable = !!val; 316 317 if (mt76_is_usb(&dev->mt76)) 318 return -EOPNOTSUPP; 319 320 mt7921_mutex_acquire(dev); 321 if (pm->ds_enable_user == enable) 322 goto out; 323 324 pm->ds_enable_user = enable; 325 pm->ds_enable = enable && !monitor; 326 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 327 out: 328 mt7921_mutex_release(dev); 329 330 return 0; 331 } 332 333 static int 334 mt7921_deep_sleep_get(void *data, u64 *val) 335 { 336 struct mt7921_dev *dev = data; 337 338 *val = dev->pm.ds_enable_user; 339 340 return 0; 341 } 342 343 DEFINE_DEBUGFS_ATTRIBUTE(fops_ds, mt7921_deep_sleep_get, 344 mt7921_deep_sleep_set, "%lld\n"); 345 346 static int 347 mt7921_pm_stats(struct seq_file *s, void *data) 348 { 349 struct mt7921_dev *dev = dev_get_drvdata(s->private); 350 struct mt76_connac_pm *pm = &dev->pm; 351 352 unsigned long awake_time = pm->stats.awake_time; 353 unsigned long doze_time = pm->stats.doze_time; 354 355 if (!test_bit(MT76_STATE_PM, &dev->mphy.state)) 356 awake_time += jiffies - pm->stats.last_wake_event; 357 else 358 doze_time += jiffies - pm->stats.last_doze_event; 359 360 seq_printf(s, "awake time: %14u\ndoze time: %15u\n", 361 jiffies_to_msecs(awake_time), 362 jiffies_to_msecs(doze_time)); 363 364 seq_printf(s, "low power wakes: %9d\n", pm->stats.lp_wake); 365 366 return 0; 367 } 368 369 static int 370 mt7921_pm_idle_timeout_set(void *data, u64 val) 371 { 372 struct mt7921_dev *dev = data; 373 374 dev->pm.idle_timeout = msecs_to_jiffies(val); 375 376 return 0; 377 } 378 379 static int 380 mt7921_pm_idle_timeout_get(void *data, u64 *val) 381 { 382 struct mt7921_dev *dev = data; 383 384 *val = jiffies_to_msecs(dev->pm.idle_timeout); 385 386 return 0; 387 } 388 389 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm_idle_timeout, mt7921_pm_idle_timeout_get, 390 mt7921_pm_idle_timeout_set, "%lld\n"); 391 392 static int mt7921_chip_reset(void *data, u64 val) 393 { 394 struct mt7921_dev *dev = data; 395 int ret = 0; 396 397 switch (val) { 398 case 1: 399 /* Reset wifisys directly. */ 400 mt7921_reset(&dev->mt76); 401 break; 402 default: 403 /* Collect the core dump before reset wifisys. */ 404 mt7921_mutex_acquire(dev); 405 ret = mt76_connac_mcu_chip_config(&dev->mt76); 406 mt7921_mutex_release(dev); 407 break; 408 } 409 410 return ret; 411 } 412 413 DEFINE_DEBUGFS_ATTRIBUTE(fops_reset, NULL, mt7921_chip_reset, "%lld\n"); 414 415 static int 416 mt7921s_sched_quota_read(struct seq_file *s, void *data) 417 { 418 struct mt7921_dev *dev = dev_get_drvdata(s->private); 419 struct mt76_sdio *sdio = &dev->mt76.sdio; 420 421 seq_printf(s, "pse_data_quota\t%d\n", sdio->sched.pse_data_quota); 422 seq_printf(s, "ple_data_quota\t%d\n", sdio->sched.ple_data_quota); 423 seq_printf(s, "pse_mcu_quota\t%d\n", sdio->sched.pse_mcu_quota); 424 seq_printf(s, "sched_deficit\t%d\n", sdio->sched.deficit); 425 426 return 0; 427 } 428 429 int mt7921_init_debugfs(struct mt7921_dev *dev) 430 { 431 struct dentry *dir; 432 433 dir = mt76_register_debugfs_fops(&dev->mphy, &fops_regval); 434 if (!dir) 435 return -ENOMEM; 436 437 if (mt76_is_mmio(&dev->mt76)) 438 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", 439 dir, mt7921_queues_read); 440 else 441 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", 442 dir, mt76_queues_read); 443 444 debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, 445 mt7921_queues_acq); 446 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, 447 mt7921_txpwr); 448 debugfs_create_file("tx_stats", 0400, dir, dev, &mt7921_tx_stats_fops); 449 debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); 450 debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm); 451 debugfs_create_file("idle-timeout", 0600, dir, dev, 452 &fops_pm_idle_timeout); 453 debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset); 454 debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir, 455 mt7921_pm_stats); 456 debugfs_create_file("deep-sleep", 0600, dir, dev, &fops_ds); 457 if (mt76_is_sdio(&dev->mt76)) 458 debugfs_create_devm_seqfile(dev->mt76.dev, "sched-quota", dir, 459 mt7921s_sched_quota_read); 460 return 0; 461 } 462