1 /* 2 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 #include "mt76.h" 17 18 static int 19 mt76_reg_set(void *data, u64 val) 20 { 21 struct mt76_dev *dev = data; 22 23 dev->bus->wr(dev, dev->debugfs_reg, val); 24 return 0; 25 } 26 27 static int 28 mt76_reg_get(void *data, u64 *val) 29 { 30 struct mt76_dev *dev = data; 31 32 *val = dev->bus->rr(dev, dev->debugfs_reg); 33 return 0; 34 } 35 36 DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, 37 "0x%08llx\n"); 38 39 static int 40 mt76_queues_read(struct seq_file *s, void *data) 41 { 42 struct mt76_dev *dev = dev_get_drvdata(s->private); 43 int i; 44 45 for (i = 0; i < ARRAY_SIZE(dev->q_tx); i++) { 46 struct mt76_queue *q = &dev->q_tx[i]; 47 48 if (!q->ndesc) 49 continue; 50 51 seq_printf(s, 52 "%d: queued=%d head=%d tail=%d swq_queued=%d\n", 53 i, q->queued, q->head, q->tail, q->swq_queued); 54 } 55 56 return 0; 57 } 58 59 void mt76_seq_puts_array(struct seq_file *file, const char *str, 60 s8 *val, int len) 61 { 62 int i; 63 64 seq_printf(file, "%10s:", str); 65 for (i = 0; i < len; i++) 66 seq_printf(file, " %2d", val[i]); 67 seq_puts(file, "\n"); 68 } 69 EXPORT_SYMBOL_GPL(mt76_seq_puts_array); 70 71 static int mt76_read_rate_txpower(struct seq_file *s, void *data) 72 { 73 struct mt76_dev *dev = dev_get_drvdata(s->private); 74 75 mt76_seq_puts_array(s, "CCK", dev->rate_power.cck, 76 ARRAY_SIZE(dev->rate_power.cck)); 77 mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm, 78 ARRAY_SIZE(dev->rate_power.ofdm)); 79 mt76_seq_puts_array(s, "STBC", dev->rate_power.stbc, 80 ARRAY_SIZE(dev->rate_power.stbc)); 81 mt76_seq_puts_array(s, "HT", dev->rate_power.ht, 82 ARRAY_SIZE(dev->rate_power.ht)); 83 mt76_seq_puts_array(s, "VHT", dev->rate_power.vht, 84 ARRAY_SIZE(dev->rate_power.vht)); 85 return 0; 86 } 87 88 struct dentry *mt76_register_debugfs(struct mt76_dev *dev) 89 { 90 struct dentry *dir; 91 92 dir = debugfs_create_dir("mt76", dev->hw->wiphy->debugfsdir); 93 if (!dir) 94 return NULL; 95 96 debugfs_create_u8("led_pin", 0600, dir, &dev->led_pin); 97 debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg); 98 debugfs_create_file_unsafe("regval", 0600, dir, dev, 99 &fops_regval); 100 debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom); 101 if (dev->otp.data) 102 debugfs_create_blob("otp", 0400, dir, &dev->otp); 103 debugfs_create_devm_seqfile(dev->dev, "queues", dir, mt76_queues_read); 104 debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir, 105 mt76_read_rate_txpower); 106 107 return dir; 108 } 109 EXPORT_SYMBOL_GPL(mt76_register_debugfs); 110