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 int mt76_queues_read(struct seq_file *s, void *data) 29 { 30 struct mt76_dev *dev = dev_get_drvdata(s->private); 31 int i; 32 33 for (i = 0; i < ARRAY_SIZE(dev->q_tx); i++) { 34 struct mt76_queue *q = dev->q_tx[i]; 35 36 if (!q) 37 continue; 38 39 seq_printf(s, 40 "%d: queued=%d head=%d tail=%d\n", 41 i, q->queued, q->head, q->tail); 42 } 43 44 return 0; 45 } 46 EXPORT_SYMBOL_GPL(mt76_queues_read); 47 48 static int mt76_rx_queues_read(struct seq_file *s, void *data) 49 { 50 struct mt76_dev *dev = dev_get_drvdata(s->private); 51 int i, queued; 52 53 mt76_for_each_q_rx(dev, i) { 54 struct mt76_queue *q = &dev->q_rx[i]; 55 56 queued = mt76_is_usb(dev) ? q->ndesc - q->queued : q->queued; 57 seq_printf(s, "%d: queued=%d head=%d tail=%d\n", 58 i, queued, q->head, q->tail); 59 } 60 61 return 0; 62 } 63 64 void mt76_seq_puts_array(struct seq_file *file, const char *str, 65 s8 *val, int len) 66 { 67 int i; 68 69 seq_printf(file, "%10s:", str); 70 for (i = 0; i < len; i++) 71 seq_printf(file, " %2d", val[i]); 72 seq_puts(file, "\n"); 73 } 74 EXPORT_SYMBOL_GPL(mt76_seq_puts_array); 75 76 static int mt76_read_rate_txpower(struct seq_file *s, void *data) 77 { 78 struct mt76_dev *dev = dev_get_drvdata(s->private); 79 80 mt76_seq_puts_array(s, "CCK", dev->rate_power.cck, 81 ARRAY_SIZE(dev->rate_power.cck)); 82 mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm, 83 ARRAY_SIZE(dev->rate_power.ofdm)); 84 mt76_seq_puts_array(s, "STBC", dev->rate_power.stbc, 85 ARRAY_SIZE(dev->rate_power.stbc)); 86 mt76_seq_puts_array(s, "HT", dev->rate_power.ht, 87 ARRAY_SIZE(dev->rate_power.ht)); 88 mt76_seq_puts_array(s, "VHT", dev->rate_power.vht, 89 ARRAY_SIZE(dev->rate_power.vht)); 90 return 0; 91 } 92 93 struct dentry *mt76_register_debugfs(struct mt76_dev *dev) 94 { 95 struct dentry *dir; 96 97 dir = debugfs_create_dir("mt76", dev->hw->wiphy->debugfsdir); 98 if (!dir) 99 return NULL; 100 101 debugfs_create_u8("led_pin", 0600, dir, &dev->led_pin); 102 debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg); 103 debugfs_create_file_unsafe("regval", 0600, dir, dev, 104 &fops_regval); 105 debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom); 106 if (dev->otp.data) 107 debugfs_create_blob("otp", 0400, dir, &dev->otp); 108 debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir, 109 mt76_read_rate_txpower); 110 debugfs_create_devm_seqfile(dev->dev, "rx-queues", dir, 111 mt76_rx_queues_read); 112 113 return dir; 114 } 115 EXPORT_SYMBOL_GPL(mt76_register_debugfs); 116