1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2023 MediaTek Inc. */ 3 4 #include "mt7925.h" 5 #include "mcu.h" 6 7 static int 8 mt7925_reg_set(void *data, u64 val) 9 { 10 struct mt792x_dev *dev = data; 11 u32 regval = val; 12 13 mt792x_mutex_acquire(dev); 14 mt7925_mcu_regval(dev, dev->mt76.debugfs_reg, ®val, true); 15 mt792x_mutex_release(dev); 16 17 return 0; 18 } 19 20 static int 21 mt7925_reg_get(void *data, u64 *val) 22 { 23 struct mt792x_dev *dev = data; 24 u32 regval; 25 int ret; 26 27 mt792x_mutex_acquire(dev); 28 ret = mt7925_mcu_regval(dev, dev->mt76.debugfs_reg, ®val, false); 29 mt792x_mutex_release(dev); 30 if (!ret) 31 *val = regval; 32 33 return 0; 34 } 35 36 DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt7925_reg_get, mt7925_reg_set, 37 "0x%08llx\n"); 38 static int 39 mt7925_fw_debug_set(void *data, u64 val) 40 { 41 struct mt792x_dev *dev = data; 42 43 mt792x_mutex_acquire(dev); 44 45 dev->fw_debug = (u8)val; 46 mt7925_mcu_fw_log_2_host(dev, dev->fw_debug); 47 48 mt792x_mutex_release(dev); 49 50 return 0; 51 } 52 53 static int 54 mt7925_fw_debug_get(void *data, u64 *val) 55 { 56 struct mt792x_dev *dev = data; 57 58 *val = dev->fw_debug; 59 60 return 0; 61 } 62 63 DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7925_fw_debug_get, 64 mt7925_fw_debug_set, "%lld\n"); 65 66 DEFINE_SHOW_ATTRIBUTE(mt792x_tx_stats); 67 68 static void 69 mt7925_seq_puts_array(struct seq_file *file, const char *str, 70 s8 val[][2], int len, u8 band_idx) 71 { 72 int i; 73 74 seq_printf(file, "%-22s:", str); 75 for (i = 0; i < len; i++) 76 if (val[i][band_idx] == 127) 77 seq_printf(file, " %6s", "N.A"); 78 else 79 seq_printf(file, " %6d", val[i][band_idx]); 80 seq_puts(file, "\n"); 81 } 82 83 #define mt7925_print_txpwr_entry(prefix, rate, idx) \ 84 ({ \ 85 mt7925_seq_puts_array(s, #prefix " (tmac)", \ 86 txpwr->rate, \ 87 ARRAY_SIZE(txpwr->rate), \ 88 idx); \ 89 }) 90 91 static inline void 92 mt7925_eht_txpwr(struct seq_file *s, struct mt7925_txpwr *txpwr, u8 band_idx) 93 { 94 seq_printf(s, "%-22s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", 95 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 96 "mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11", 97 "mcs12", "mcs13", "mcs14", "mcs15"); 98 mt7925_print_txpwr_entry(EHT26, eht26, band_idx); 99 mt7925_print_txpwr_entry(EHT52, eht52, band_idx); 100 mt7925_print_txpwr_entry(EHT106, eht106, band_idx); 101 mt7925_print_txpwr_entry(EHT242, eht242, band_idx); 102 mt7925_print_txpwr_entry(EHT484, eht484, band_idx); 103 104 mt7925_print_txpwr_entry(EHT996, eht996, band_idx); 105 mt7925_print_txpwr_entry(EHT996x2, eht996x2, band_idx); 106 mt7925_print_txpwr_entry(EHT996x4, eht996x4, band_idx); 107 mt7925_print_txpwr_entry(EHT26_52, eht26_52, band_idx); 108 mt7925_print_txpwr_entry(EHT26_106, eht26_106, band_idx); 109 mt7925_print_txpwr_entry(EHT484_242, eht484_242, band_idx); 110 mt7925_print_txpwr_entry(EHT996_484, eht996_484, band_idx); 111 mt7925_print_txpwr_entry(EHT996_484_242, eht996_484_242, band_idx); 112 mt7925_print_txpwr_entry(EHT996x2_484, eht996x2_484, band_idx); 113 mt7925_print_txpwr_entry(EHT996x3, eht996x3, band_idx); 114 mt7925_print_txpwr_entry(EHT996x3_484, eht996x3_484, band_idx); 115 } 116 117 static int 118 mt7925_txpwr(struct seq_file *s, void *data) 119 { 120 struct mt792x_dev *dev = dev_get_drvdata(s->private); 121 struct mt7925_txpwr *txpwr = NULL; 122 u8 band_idx = dev->mphy.band_idx; 123 int ret = 0; 124 125 txpwr = devm_kmalloc(dev->mt76.dev, sizeof(*txpwr), GFP_KERNEL); 126 127 if (!txpwr) 128 return -ENOMEM; 129 130 mt792x_mutex_acquire(dev); 131 ret = mt7925_get_txpwr_info(dev, band_idx, txpwr); 132 mt792x_mutex_release(dev); 133 134 if (ret) 135 goto out; 136 137 seq_printf(s, "%-22s %6s %6s %6s %6s\n", 138 " ", "1m", "2m", "5m", "11m"); 139 mt7925_print_txpwr_entry(CCK, cck, band_idx); 140 141 seq_printf(s, "%-22s %6s %6s %6s %6s %6s %6s %6s %6s\n", 142 " ", "6m", "9m", "12m", "18m", "24m", "36m", 143 "48m", "54m"); 144 mt7925_print_txpwr_entry(OFDM, ofdm, band_idx); 145 146 seq_printf(s, "%-22s %6s %6s %6s %6s %6s %6s %6s %6s\n", 147 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 148 "mcs6", "mcs7"); 149 mt7925_print_txpwr_entry(HT20, ht20, band_idx); 150 151 seq_printf(s, "%-22s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", 152 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 153 "mcs6", "mcs7", "mcs32"); 154 mt7925_print_txpwr_entry(HT40, ht40, band_idx); 155 156 seq_printf(s, "%-22s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", 157 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 158 "mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11"); 159 mt7925_print_txpwr_entry(VHT20, vht20, band_idx); 160 mt7925_print_txpwr_entry(VHT40, vht40, band_idx); 161 162 mt7925_print_txpwr_entry(VHT80, vht80, band_idx); 163 mt7925_print_txpwr_entry(VHT160, vht160, band_idx); 164 165 mt7925_print_txpwr_entry(HE26, he26, band_idx); 166 mt7925_print_txpwr_entry(HE52, he52, band_idx); 167 mt7925_print_txpwr_entry(HE106, he106, band_idx); 168 mt7925_print_txpwr_entry(HE242, he242, band_idx); 169 mt7925_print_txpwr_entry(HE484, he484, band_idx); 170 171 mt7925_print_txpwr_entry(HE996, he996, band_idx); 172 mt7925_print_txpwr_entry(HE996x2, he996x2, band_idx); 173 174 mt7925_eht_txpwr(s, txpwr, band_idx); 175 176 out: 177 devm_kfree(dev->mt76.dev, txpwr); 178 return ret; 179 } 180 181 static int 182 mt7925_pm_set(void *data, u64 val) 183 { 184 struct mt792x_dev *dev = data; 185 struct mt76_connac_pm *pm = &dev->pm; 186 187 if (mt76_is_usb(&dev->mt76)) 188 return -EOPNOTSUPP; 189 190 mutex_lock(&dev->mt76.mutex); 191 192 if (val == pm->enable_user) 193 goto out; 194 195 if (!pm->enable_user) { 196 pm->stats.last_wake_event = jiffies; 197 pm->stats.last_doze_event = jiffies; 198 } 199 /* make sure the chip is awake here and ps_work is scheduled 200 * just at end of the this routine. 201 */ 202 pm->enable = false; 203 mt76_connac_pm_wake(&dev->mphy, pm); 204 205 pm->enable_user = val; 206 mt7925_set_runtime_pm(dev); 207 mt76_connac_power_save_sched(&dev->mphy, pm); 208 out: 209 mutex_unlock(&dev->mt76.mutex); 210 211 return 0; 212 } 213 214 static int 215 mt7925_pm_get(void *data, u64 *val) 216 { 217 struct mt792x_dev *dev = data; 218 219 *val = dev->pm.enable_user; 220 221 return 0; 222 } 223 224 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7925_pm_get, mt7925_pm_set, "%lld\n"); 225 226 static int 227 mt7925_deep_sleep_set(void *data, u64 val) 228 { 229 struct mt792x_dev *dev = data; 230 struct mt76_connac_pm *pm = &dev->pm; 231 bool monitor = !!(dev->mphy.hw->conf.flags & IEEE80211_CONF_MONITOR); 232 bool enable = !!val; 233 234 if (mt76_is_usb(&dev->mt76)) 235 return -EOPNOTSUPP; 236 237 mt792x_mutex_acquire(dev); 238 if (pm->ds_enable_user == enable) 239 goto out; 240 241 pm->ds_enable_user = enable; 242 pm->ds_enable = enable && !monitor; 243 mt7925_mcu_set_deep_sleep(dev, pm->ds_enable); 244 out: 245 mt792x_mutex_release(dev); 246 247 return 0; 248 } 249 250 static int 251 mt7925_deep_sleep_get(void *data, u64 *val) 252 { 253 struct mt792x_dev *dev = data; 254 255 *val = dev->pm.ds_enable_user; 256 257 return 0; 258 } 259 260 DEFINE_DEBUGFS_ATTRIBUTE(fops_ds, mt7925_deep_sleep_get, 261 mt7925_deep_sleep_set, "%lld\n"); 262 263 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm_idle_timeout, mt792x_pm_idle_timeout_get, 264 mt792x_pm_idle_timeout_set, "%lld\n"); 265 266 static int mt7925_chip_reset(void *data, u64 val) 267 { 268 struct mt792x_dev *dev = data; 269 int ret = 0; 270 271 switch (val) { 272 case 1: 273 /* Reset wifisys directly. */ 274 mt792x_reset(&dev->mt76); 275 break; 276 default: 277 /* Collect the core dump before reset wifisys. */ 278 mt792x_mutex_acquire(dev); 279 ret = mt7925_mcu_chip_config(dev, "assert"); 280 mt792x_mutex_release(dev); 281 break; 282 } 283 284 return ret; 285 } 286 287 DEFINE_DEBUGFS_ATTRIBUTE(fops_reset, NULL, mt7925_chip_reset, "%lld\n"); 288 289 int mt7925_init_debugfs(struct mt792x_dev *dev) 290 { 291 struct dentry *dir; 292 293 dir = mt76_register_debugfs_fops(&dev->mphy, &fops_regval); 294 if (!dir) 295 return -ENOMEM; 296 297 if (mt76_is_mmio(&dev->mt76)) 298 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", 299 dir, mt792x_queues_read); 300 else 301 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", 302 dir, mt76_queues_read); 303 304 debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, 305 mt792x_queues_acq); 306 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, 307 mt7925_txpwr); 308 debugfs_create_file("tx_stats", 0400, dir, dev, &mt792x_tx_stats_fops); 309 debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); 310 debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm); 311 debugfs_create_file("idle-timeout", 0600, dir, dev, 312 &fops_pm_idle_timeout); 313 debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset); 314 debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir, 315 mt792x_pm_stats); 316 debugfs_create_file("deep-sleep", 0600, dir, dev, &fops_ds); 317 318 return 0; 319 } 320