developer | 0f312e8 | 2022-11-01 12:31:52 +0800 | [diff] [blame^] | 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 | } |