1// SPDX-License-Identifier: ISC
  2/*
  3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
  4 */
  5#include "mt76.h"
  6
  7static int
  8mt76_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
 16static int
 17mt76_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
 25DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set,
 26			 "0x%08llx\n");
 27
 28static int
 29mt76_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
 42static int
 43mt76_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
 51DEFINE_DEBUGFS_ATTRIBUTE(fops_napi_threaded, mt76_napi_threaded_get,
 52			 mt76_napi_threaded_set, "%llu\n");
 53
 54int 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	seq_puts(s, "     queue | hw-queued |      head |      tail |\n");
 60	for (i = 0; i < ARRAY_SIZE(dev->phy.q_tx); i++) {
 61		struct mt76_queue *q = dev->phy.q_tx[i];
 62
 63		if (!q)
 64			continue;
 65
 66		seq_printf(s, " %9d | %9d | %9d | %9d |\n",
 67			   i, q->queued, q->head, q->tail);
 68	}
 69
 70	return 0;
 71}
 72EXPORT_SYMBOL_GPL(mt76_queues_read);
 73
 74static 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	seq_puts(s, "     queue | hw-queued |      head |      tail |\n");
 80	mt76_for_each_q_rx(dev, i) {
 81		struct mt76_queue *q = &dev->q_rx[i];
 82
 83		queued = mt76_is_usb(dev) ? q->ndesc - q->queued : q->queued;
 84		seq_printf(s, " %9d | %9d | %9d | %9d |\n",
 85			   i, queued, q->head, q->tail);
 86	}
 87
 88	return 0;
 89}
 90
 91void mt76_seq_puts_array(struct seq_file *file, const char *str,
 92			 s8 *val, int len)
 93{
 94	int i;
 95
 96	seq_printf(file, "%10s:", str);
 97	for (i = 0; i < len; i++)
 98		seq_printf(file, " %2d", val[i]);
 99	seq_puts(file, "\n");
100}
101EXPORT_SYMBOL_GPL(mt76_seq_puts_array);
102
103struct dentry *
104mt76_register_debugfs_fops(struct mt76_phy *phy,
105			   const struct file_operations *ops)
106{
107	const struct file_operations *fops = ops ? ops : &fops_regval;
108	struct mt76_dev *dev = phy->dev;
109	struct dentry *dir;
110
111	dir = debugfs_create_dir("mt76", phy->hw->wiphy->debugfsdir);
112
113	debugfs_create_u8("led_pin", 0600, dir, &phy->leds.pin);
114	debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
115	debugfs_create_file_unsafe("regval", 0600, dir, dev, fops);
116	debugfs_create_file_unsafe("napi_threaded", 0600, dir, dev,
117				   &fops_napi_threaded);
118	debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom);
119	if (dev->otp.data)
120		debugfs_create_blob("otp", 0400, dir, &dev->otp);
121	debugfs_create_devm_seqfile(dev->dev, "rx-queues", dir,
122				    mt76_rx_queues_read);
123
124	return dir;
125}
126EXPORT_SYMBOL_GPL(mt76_register_debugfs_fops);