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 mt792x_dev *dev = data; 10 11 mt792x_mutex_acquire(dev); 12 mt76_wr(dev, dev->mt76.debugfs_reg, val); 13 mt792x_mutex_release(dev); 14 15 return 0; 16 } 17 18 static int 19 mt7921_reg_get(void *data, u64 *val) 20 { 21 struct mt792x_dev *dev = data; 22 23 mt792x_mutex_acquire(dev); 24 *val = mt76_rr(dev, dev->mt76.debugfs_reg); 25 mt792x_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 mt792x_dev *dev = data; 36 37 mt792x_mutex_acquire(dev); 38 39 dev->fw_debug = (u8)val; 40 mt7921_mcu_fw_log_2_host(dev, dev->fw_debug); 41 42 mt792x_mutex_release(dev); 43 44 return 0; 45 } 46 47 static int 48 mt7921_fw_debug_get(void *data, u64 *val) 49 { 50 struct mt792x_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 DEFINE_SHOW_ATTRIBUTE(mt792x_tx_stats); 61 62 static void 63 mt7921_seq_puts_array(struct seq_file *file, const char *str, 64 s8 *val, int len) 65 { 66 int i; 67 68 seq_printf(file, "%-16s:", str); 69 for (i = 0; i < len; i++) 70 if (val[i] == 127) 71 seq_printf(file, " %6s", "N.A"); 72 else 73 seq_printf(file, " %6d", val[i]); 74 seq_puts(file, "\n"); 75 } 76 77 #define mt7921_print_txpwr_entry(prefix, rate) \ 78 ({ \ 79 mt7921_seq_puts_array(s, #prefix " (user)", \ 80 txpwr.data[TXPWR_USER].rate, \ 81 ARRAY_SIZE(txpwr.data[TXPWR_USER].rate)); \ 82 mt7921_seq_puts_array(s, #prefix " (eeprom)", \ 83 txpwr.data[TXPWR_EEPROM].rate, \ 84 ARRAY_SIZE(txpwr.data[TXPWR_EEPROM].rate)); \ 85 mt7921_seq_puts_array(s, #prefix " (tmac)", \ 86 txpwr.data[TXPWR_MAC].rate, \ 87 ARRAY_SIZE(txpwr.data[TXPWR_MAC].rate)); \ 88 }) 89 90 static int 91 mt7921_txpwr(struct seq_file *s, void *data) 92 { 93 struct mt792x_dev *dev = dev_get_drvdata(s->private); 94 struct mt7921_txpwr txpwr; 95 int ret; 96 97 mt792x_mutex_acquire(dev); 98 ret = mt7921_get_txpwr_info(dev, &txpwr); 99 mt792x_mutex_release(dev); 100 101 if (ret) 102 return ret; 103 104 seq_printf(s, "Tx power table (channel %d)\n", txpwr.ch); 105 seq_printf(s, "%-16s %6s %6s %6s %6s\n", 106 " ", "1m", "2m", "5m", "11m"); 107 mt7921_print_txpwr_entry(CCK, cck); 108 109 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n", 110 " ", "6m", "9m", "12m", "18m", "24m", "36m", 111 "48m", "54m"); 112 mt7921_print_txpwr_entry(OFDM, ofdm); 113 114 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n", 115 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 116 "mcs6", "mcs7"); 117 mt7921_print_txpwr_entry(HT20, ht20); 118 119 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", 120 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 121 "mcs6", "mcs7", "mcs32"); 122 mt7921_print_txpwr_entry(HT40, ht40); 123 124 seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n", 125 " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5", 126 "mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11"); 127 mt7921_print_txpwr_entry(VHT20, vht20); 128 mt7921_print_txpwr_entry(VHT40, vht40); 129 mt7921_print_txpwr_entry(VHT80, vht80); 130 mt7921_print_txpwr_entry(VHT160, vht160); 131 mt7921_print_txpwr_entry(HE26, he26); 132 mt7921_print_txpwr_entry(HE52, he52); 133 mt7921_print_txpwr_entry(HE106, he106); 134 mt7921_print_txpwr_entry(HE242, he242); 135 mt7921_print_txpwr_entry(HE484, he484); 136 mt7921_print_txpwr_entry(HE996, he996); 137 mt7921_print_txpwr_entry(HE996x2, he996x2); 138 139 return 0; 140 } 141 142 static int 143 mt7921_pm_set(void *data, u64 val) 144 { 145 struct mt792x_dev *dev = data; 146 struct mt76_connac_pm *pm = &dev->pm; 147 148 if (mt76_is_usb(&dev->mt76)) 149 return -EOPNOTSUPP; 150 151 mutex_lock(&dev->mt76.mutex); 152 153 if (val == pm->enable_user) 154 goto out; 155 156 if (!pm->enable_user) { 157 pm->stats.last_wake_event = jiffies; 158 pm->stats.last_doze_event = jiffies; 159 } 160 /* make sure the chip is awake here and ps_work is scheduled 161 * just at end of the this routine. 162 */ 163 pm->enable = false; 164 mt76_connac_pm_wake(&dev->mphy, pm); 165 166 pm->enable_user = val; 167 mt7921_set_runtime_pm(dev); 168 mt76_connac_power_save_sched(&dev->mphy, pm); 169 out: 170 mutex_unlock(&dev->mt76.mutex); 171 172 return 0; 173 } 174 175 static int 176 mt7921_pm_get(void *data, u64 *val) 177 { 178 struct mt792x_dev *dev = data; 179 180 *val = dev->pm.enable_user; 181 182 return 0; 183 } 184 185 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set, "%lld\n"); 186 187 static int 188 mt7921_deep_sleep_set(void *data, u64 val) 189 { 190 struct mt792x_dev *dev = data; 191 struct mt76_connac_pm *pm = &dev->pm; 192 bool monitor = !!(dev->mphy.hw->conf.flags & IEEE80211_CONF_MONITOR); 193 bool enable = !!val; 194 195 if (mt76_is_usb(&dev->mt76)) 196 return -EOPNOTSUPP; 197 198 mt792x_mutex_acquire(dev); 199 if (pm->ds_enable_user == enable) 200 goto out; 201 202 pm->ds_enable_user = enable; 203 pm->ds_enable = enable && !monitor; 204 mt76_connac_mcu_set_deep_sleep(&dev->mt76, pm->ds_enable); 205 out: 206 mt792x_mutex_release(dev); 207 208 return 0; 209 } 210 211 static int 212 mt7921_deep_sleep_get(void *data, u64 *val) 213 { 214 struct mt792x_dev *dev = data; 215 216 *val = dev->pm.ds_enable_user; 217 218 return 0; 219 } 220 221 DEFINE_DEBUGFS_ATTRIBUTE(fops_ds, mt7921_deep_sleep_get, 222 mt7921_deep_sleep_set, "%lld\n"); 223 224 DEFINE_DEBUGFS_ATTRIBUTE(fops_pm_idle_timeout, mt792x_pm_idle_timeout_get, 225 mt792x_pm_idle_timeout_set, "%lld\n"); 226 227 static int mt7921_chip_reset(void *data, u64 val) 228 { 229 struct mt792x_dev *dev = data; 230 int ret = 0; 231 232 switch (val) { 233 case 1: 234 /* Reset wifisys directly. */ 235 mt792x_reset(&dev->mt76); 236 break; 237 default: 238 /* Collect the core dump before reset wifisys. */ 239 mt792x_mutex_acquire(dev); 240 ret = mt76_connac_mcu_chip_config(&dev->mt76); 241 mt792x_mutex_release(dev); 242 break; 243 } 244 245 return ret; 246 } 247 248 DEFINE_DEBUGFS_ATTRIBUTE(fops_reset, NULL, mt7921_chip_reset, "%lld\n"); 249 250 static int 251 mt7921s_sched_quota_read(struct seq_file *s, void *data) 252 { 253 struct mt792x_dev *dev = dev_get_drvdata(s->private); 254 struct mt76_sdio *sdio = &dev->mt76.sdio; 255 256 seq_printf(s, "pse_data_quota\t%d\n", sdio->sched.pse_data_quota); 257 seq_printf(s, "ple_data_quota\t%d\n", sdio->sched.ple_data_quota); 258 seq_printf(s, "pse_mcu_quota\t%d\n", sdio->sched.pse_mcu_quota); 259 seq_printf(s, "sched_deficit\t%d\n", sdio->sched.deficit); 260 261 return 0; 262 } 263 264 int mt7921_init_debugfs(struct mt792x_dev *dev) 265 { 266 struct dentry *dir; 267 268 dir = mt76_register_debugfs_fops(&dev->mphy, &fops_regval); 269 if (!dir) 270 return -ENOMEM; 271 272 if (mt76_is_mmio(&dev->mt76)) 273 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", 274 dir, mt792x_queues_read); 275 else 276 debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", 277 dir, mt76_queues_read); 278 279 debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir, 280 mt792x_queues_acq); 281 debugfs_create_devm_seqfile(dev->mt76.dev, "txpower_sku", dir, 282 mt7921_txpwr); 283 debugfs_create_file("tx_stats", 0400, dir, dev, &mt792x_tx_stats_fops); 284 debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug); 285 debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm); 286 debugfs_create_file("idle-timeout", 0600, dir, dev, 287 &fops_pm_idle_timeout); 288 debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset); 289 debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir, 290 mt792x_pm_stats); 291 debugfs_create_file("deep-sleep", 0600, dir, dev, &fops_ds); 292 if (mt76_is_sdio(&dev->mt76)) 293 debugfs_create_devm_seqfile(dev->mt76.dev, "sched-quota", dir, 294 mt7921s_sched_quota_read); 295 return 0; 296 } 297