1 // SPDX-License-Identifier: ISC 2 /* 3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> 4 */ 5 #include "mt76.h" 6 7 static int 8 mt76_reg_set(void *data, u64 val) 9 { 10 struct mt76_dev *dev = data; 11 12 __mt76_wr(dev, dev->debugfs_reg, val); 13 return 0; 14 } 15 16 static int 17 mt76_reg_get(void *data, u64 *val) 18 { 19 struct mt76_dev *dev = data; 20 21 *val = __mt76_rr(dev, dev->debugfs_reg); 22 return 0; 23 } 24 25 DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, 26 "0x%08llx\n"); 27 28 static int 29 mt76_napi_threaded_set(void *data, u64 val) 30 { 31 struct mt76_dev *dev = data; 32 33 if (!mt76_is_mmio(dev)) 34 return -EOPNOTSUPP; 35 36 if (dev->napi_dev.threaded != val) 37 return dev_set_threaded(&dev->napi_dev, val); 38 39 return 0; 40 } 41 42 static int 43 mt76_napi_threaded_get(void *data, u64 *val) 44 { 45 struct mt76_dev *dev = data; 46 47 *val = dev->napi_dev.threaded; 48 return 0; 49 } 50 51 DEFINE_DEBUGFS_ATTRIBUTE(fops_napi_threaded, mt76_napi_threaded_get, 52 mt76_napi_threaded_set, "%llu\n"); 53 54 int mt76_queues_read(struct seq_file *s, void *data) 55 { 56 struct mt76_dev *dev = dev_get_drvdata(s->private); 57 int i; 58 59 for (i = 0; i < ARRAY_SIZE(dev->phy.q_tx); i++) { 60 struct mt76_queue *q = dev->phy.q_tx[i]; 61 62 if (!q) 63 continue; 64 65 seq_printf(s, 66 "%d: queued=%d head=%d tail=%d\n", 67 i, q->queued, q->head, q->tail); 68 } 69 70 return 0; 71 } 72 EXPORT_SYMBOL_GPL(mt76_queues_read); 73 74 static int mt76_rx_queues_read(struct seq_file *s, void *data) 75 { 76 struct mt76_dev *dev = dev_get_drvdata(s->private); 77 int i, queued; 78 79 mt76_for_each_q_rx(dev, i) { 80 struct mt76_queue *q = &dev->q_rx[i]; 81 82 queued = mt76_is_usb(dev) ? q->ndesc - q->queued : q->queued; 83 seq_printf(s, "%d: queued=%d head=%d tail=%d\n", 84 i, queued, q->head, q->tail); 85 } 86 87 return 0; 88 } 89 90 void mt76_seq_puts_array(struct seq_file *file, const char *str, 91 s8 *val, int len) 92 { 93 int i; 94 95 seq_printf(file, "%10s:", str); 96 for (i = 0; i < len; i++) 97 seq_printf(file, " %2d", val[i]); 98 seq_puts(file, "\n"); 99 } 100 EXPORT_SYMBOL_GPL(mt76_seq_puts_array); 101 102 static int mt76_read_rate_txpower(struct seq_file *s, void *data) 103 { 104 struct mt76_dev *dev = dev_get_drvdata(s->private); 105 106 mt76_seq_puts_array(s, "CCK", dev->rate_power.cck, 107 ARRAY_SIZE(dev->rate_power.cck)); 108 mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm, 109 ARRAY_SIZE(dev->rate_power.ofdm)); 110 mt76_seq_puts_array(s, "STBC", dev->rate_power.stbc, 111 ARRAY_SIZE(dev->rate_power.stbc)); 112 mt76_seq_puts_array(s, "HT", dev->rate_power.ht, 113 ARRAY_SIZE(dev->rate_power.ht)); 114 mt76_seq_puts_array(s, "VHT", dev->rate_power.vht, 115 ARRAY_SIZE(dev->rate_power.vht)); 116 return 0; 117 } 118 119 struct dentry *mt76_register_debugfs(struct mt76_dev *dev) 120 { 121 struct dentry *dir; 122 123 dir = debugfs_create_dir("mt76", dev->hw->wiphy->debugfsdir); 124 if (!dir) 125 return NULL; 126 127 debugfs_create_u8("led_pin", 0600, dir, &dev->led_pin); 128 debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg); 129 debugfs_create_file_unsafe("regval", 0600, dir, dev, 130 &fops_regval); 131 debugfs_create_file_unsafe("napi_threaded", 0600, dir, dev, 132 &fops_napi_threaded); 133 debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom); 134 if (dev->otp.data) 135 debugfs_create_blob("otp", 0400, dir, &dev->otp); 136 debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir, 137 mt76_read_rate_txpower); 138 debugfs_create_devm_seqfile(dev->dev, "rx-queues", dir, 139 mt76_rx_queues_read); 140 141 return dir; 142 } 143 EXPORT_SYMBOL_GPL(mt76_register_debugfs); 144