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_SIMPLE_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n"); 37 38 static int 39 mt76_queues_read(struct seq_file *s, void *data) 40 { 41 struct mt76_dev *dev = dev_get_drvdata(s->private); 42 int i; 43 44 for (i = 0; i < ARRAY_SIZE(dev->q_tx); i++) { 45 struct mt76_queue *q = &dev->q_tx[i]; 46 47 if (!q->ndesc) 48 continue; 49 50 seq_printf(s, 51 "%d: queued=%d head=%d tail=%d swq_queued=%d\n", 52 i, q->queued, q->head, q->tail, q->swq_queued); 53 } 54 55 return 0; 56 } 57 58 struct dentry *mt76_register_debugfs(struct mt76_dev *dev) 59 { 60 struct dentry *dir; 61 62 dir = debugfs_create_dir("mt76", dev->hw->wiphy->debugfsdir); 63 if (!dir) 64 return NULL; 65 66 debugfs_create_u8("led_pin", S_IRUSR | S_IWUSR, dir, &dev->led_pin); 67 debugfs_create_u32("regidx", S_IRUSR | S_IWUSR, dir, &dev->debugfs_reg); 68 debugfs_create_file("regval", S_IRUSR | S_IWUSR, dir, dev, 69 &fops_regval); 70 debugfs_create_blob("eeprom", S_IRUSR, dir, &dev->eeprom); 71 if (dev->otp.data) 72 debugfs_create_blob("otp", S_IRUSR, dir, &dev->otp); 73 debugfs_create_devm_seqfile(dev->dev, "queues", dir, mt76_queues_read); 74 75 return dir; 76 } 77 EXPORT_SYMBOL_GPL(mt76_register_debugfs); 78