1// SPDX-License-Identifier: ISC
  2/*
  3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
  4 */
  5
  6#include <linux/debugfs.h>
  7#include "mt76x02.h"
  8
  9static int
 10mt76x02_ampdu_stat_show(struct seq_file *file, void *data)
 11{
 12	struct mt76x02_dev *dev = file->private;
 13	int i, j;
 14
 15	for (i = 0; i < 4; i++) {
 16		seq_puts(file, "Length: ");
 17		for (j = 0; j < 8; j++)
 18			seq_printf(file, "%8d | ", i * 8 + j + 1);
 19		seq_puts(file, "\n");
 20		seq_puts(file, "Count:  ");
 21		for (j = 0; j < 8; j++)
 22			seq_printf(file, "%8d | ",
 23				   dev->mphy.aggr_stats[i * 8 + j]);
 24		seq_puts(file, "\n");
 25		seq_puts(file, "--------");
 26		for (j = 0; j < 8; j++)
 27			seq_puts(file, "-----------");
 28		seq_puts(file, "\n");
 29	}
 30
 31	return 0;
 32}
 33
 34DEFINE_SHOW_ATTRIBUTE(mt76x02_ampdu_stat);
 35
 36static int read_txpower(struct seq_file *file, void *data)
 37{
 38	struct mt76x02_dev *dev = dev_get_drvdata(file->private);
 39
 40	seq_printf(file, "Target power: %d\n", dev->target_power);
 41
 42	mt76_seq_puts_array(file, "Delta", dev->target_power_delta,
 43			    ARRAY_SIZE(dev->target_power_delta));
 44	return 0;
 45}
 46
 47static int
 48mt76x02_dfs_stat_show(struct seq_file *file, void *data)
 49{
 50	struct mt76x02_dev *dev = file->private;
 51	struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
 52	int i;
 53
 54	seq_printf(file, "allocated sequences:\t%d\n",
 55		   dfs_pd->seq_stats.seq_pool_len);
 56	seq_printf(file, "used sequences:\t\t%d\n",
 57		   dfs_pd->seq_stats.seq_len);
 58	seq_puts(file, "\n");
 59
 60	for (i = 0; i < MT_DFS_NUM_ENGINES; i++) {
 61		seq_printf(file, "engine: %d\n", i);
 62		seq_printf(file, "  hw pattern detected:\t%d\n",
 63			   dfs_pd->stats[i].hw_pattern);
 64		seq_printf(file, "  hw pulse discarded:\t%d\n",
 65			   dfs_pd->stats[i].hw_pulse_discarded);
 66		seq_printf(file, "  sw pattern detected:\t%d\n",
 67			   dfs_pd->stats[i].sw_pattern);
 68	}
 69
 70	return 0;
 71}
 72
 73DEFINE_SHOW_ATTRIBUTE(mt76x02_dfs_stat);
 74
 75static int read_agc(struct seq_file *file, void *data)
 76{
 77	struct mt76x02_dev *dev = dev_get_drvdata(file->private);
 78
 79	seq_printf(file, "avg_rssi: %d\n", dev->cal.avg_rssi_all);
 80	seq_printf(file, "low_gain: %d\n", dev->cal.low_gain);
 81	seq_printf(file, "false_cca: %d\n", dev->cal.false_cca);
 82	seq_printf(file, "agc_gain_adjust: %d\n", dev->cal.agc_gain_adjust);
 83
 84	return 0;
 85}
 86
 87static int
 88mt76_edcca_set(void *data, u64 val)
 89{
 90	struct mt76x02_dev *dev = data;
 91	enum nl80211_dfs_regions region = dev->mt76.region;
 92
 93	mutex_lock(&dev->mt76.mutex);
 94
 95	dev->ed_monitor_enabled = !!val;
 96	dev->ed_monitor = dev->ed_monitor_enabled &&
 97			  region == NL80211_DFS_ETSI;
 98	mt76x02_edcca_init(dev);
 99
100	mutex_unlock(&dev->mt76.mutex);
101
102	return 0;
103}
104
105static int
106mt76_edcca_get(void *data, u64 *val)
107{
108	struct mt76x02_dev *dev = data;
109
110	*val = dev->ed_monitor_enabled;
111	return 0;
112}
113
114DEFINE_DEBUGFS_ATTRIBUTE(fops_edcca, mt76_edcca_get, mt76_edcca_set,
115			 "%lld\n");
116
117static int mt76x02_read_rate_txpower(struct seq_file *s, void *data)
118{
119	struct mt76x02_dev *dev = dev_get_drvdata(s->private);
120
121	mt76_seq_puts_array(s, "CCK", dev->rate_power.cck,
122			    ARRAY_SIZE(dev->rate_power.cck));
123	mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm,
124			    ARRAY_SIZE(dev->rate_power.ofdm));
125	mt76_seq_puts_array(s, "HT", dev->rate_power.ht,
126			    ARRAY_SIZE(dev->rate_power.ht));
127	mt76_seq_puts_array(s, "VHT", dev->rate_power.vht,
128			    ARRAY_SIZE(dev->rate_power.vht));
129	return 0;
130}
131
132void mt76x02_init_debugfs(struct mt76x02_dev *dev)
133{
134	struct dentry *dir;
135
136	dir = mt76_register_debugfs(&dev->mt76);
137	if (!dir)
138		return;
139
140	debugfs_create_devm_seqfile(dev->mt76.dev, "xmit-queues", dir,
141				    mt76_queues_read);
142	debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
143	debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);
144
145	debugfs_create_file("edcca", 0600, dir, dev, &fops_edcca);
146	debugfs_create_file("ampdu_stat", 0400, dir, dev, &mt76x02_ampdu_stat_fops);
147	debugfs_create_file("dfs_stats", 0400, dir, dev, &mt76x02_dfs_stat_fops);
148	debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
149				    read_txpower);
150
151	debugfs_create_devm_seqfile(dev->mt76.dev, "rate_txpower", dir,
152				    mt76x02_read_rate_txpower);
153	debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc);
154
155	debugfs_create_u32("tx_hang_reset", 0400, dir, &dev->tx_hang_reset);
156}
157EXPORT_SYMBOL_GPL(mt76x02_init_debugfs);