1// SPDX-License-Identifier: GPL-2.0-only
  2/*
  3 * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
  4 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
  5 */
  6
  7#include <linux/debugfs.h>
  8
  9#include "mt7601u.h"
 10#include "eeprom.h"
 11
 12static int
 13mt76_reg_set(void *data, u64 val)
 14{
 15	struct mt7601u_dev *dev = data;
 16
 17	mt76_wr(dev, dev->debugfs_reg, val);
 18	return 0;
 19}
 20
 21static int
 22mt76_reg_get(void *data, u64 *val)
 23{
 24	struct mt7601u_dev *dev = data;
 25
 26	*val = mt76_rr(dev, dev->debugfs_reg);
 27	return 0;
 28}
 29
 30DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n");
 31
 32static int
 33mt7601u_ampdu_stat_show(struct seq_file *file, void *data)
 34{
 35	struct mt7601u_dev *dev = file->private;
 36	int i, j;
 37
 38#define stat_printf(grp, off, name)					\
 39	seq_printf(file, #name ":\t%llu\n", dev->stats.grp[off])
 40
 41	stat_printf(rx_stat, 0, rx_crc_err);
 42	stat_printf(rx_stat, 1, rx_phy_err);
 43	stat_printf(rx_stat, 2, rx_false_cca);
 44	stat_printf(rx_stat, 3, rx_plcp_err);
 45	stat_printf(rx_stat, 4, rx_fifo_overflow);
 46	stat_printf(rx_stat, 5, rx_duplicate);
 47
 48	stat_printf(tx_stat, 0, tx_fail_cnt);
 49	stat_printf(tx_stat, 1, tx_bcn_cnt);
 50	stat_printf(tx_stat, 2, tx_success);
 51	stat_printf(tx_stat, 3, tx_retransmit);
 52	stat_printf(tx_stat, 4, tx_zero_len);
 53	stat_printf(tx_stat, 5, tx_underflow);
 54
 55	stat_printf(aggr_stat, 0, non_aggr_tx);
 56	stat_printf(aggr_stat, 1, aggr_tx);
 57
 58	stat_printf(zero_len_del, 0, tx_zero_len_del);
 59	stat_printf(zero_len_del, 1, rx_zero_len_del);
 60#undef stat_printf
 61
 62	seq_puts(file, "Aggregations stats:\n");
 63	for (i = 0; i < 4; i++) {
 64		for (j = 0; j < 8; j++)
 65			seq_printf(file, "%08llx ",
 66				   dev->stats.aggr_n[i * 8 + j]);
 67		seq_putc(file, '\n');
 68	}
 69
 70	seq_printf(file, "recent average AMPDU len: %d\n",
 71		   atomic_read(&dev->avg_ampdu_len));
 72
 73	return 0;
 74}
 75
 76DEFINE_SHOW_ATTRIBUTE(mt7601u_ampdu_stat);
 77
 78static int
 79mt7601u_eeprom_param_show(struct seq_file *file, void *data)
 80{
 81	struct mt7601u_dev *dev = file->private;
 82	struct mt7601u_rate_power *rp = &dev->ee->power_rate_table;
 83	struct tssi_data *td = &dev->ee->tssi_data;
 84	int i;
 85
 86	seq_printf(file, "RF freq offset: %hhx\n", dev->ee->rf_freq_off);
 87	seq_printf(file, "RSSI offset: %hhx %hhx\n",
 88		   dev->ee->rssi_offset[0], dev->ee->rssi_offset[1]);
 89	seq_printf(file, "Reference temp: %hhx\n", dev->ee->ref_temp);
 90	seq_printf(file, "LNA gain: %hhx\n", dev->ee->lna_gain);
 91	seq_printf(file, "Reg channels: %hhu-%d\n", dev->ee->reg.start,
 92		   dev->ee->reg.start + dev->ee->reg.num - 1);
 93
 94	seq_puts(file, "Per rate power:\n");
 95	for (i = 0; i < 2; i++)
 96		seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
 97			   rp->cck[i].raw, rp->cck[i].bw20, rp->cck[i].bw40);
 98	for (i = 0; i < 4; i++)
 99		seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
100			   rp->ofdm[i].raw, rp->ofdm[i].bw20, rp->ofdm[i].bw40);
101	for (i = 0; i < 4; i++)
102		seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
103			   rp->ht[i].raw, rp->ht[i].bw20, rp->ht[i].bw40);
104
105	seq_puts(file, "Per channel power:\n");
106	for (i = 0; i < 7; i++)
107		seq_printf(file, "\t tx_power  ch%u:%02hhx ch%u:%02hhx\n",
108			   i * 2 + 1, dev->ee->chan_pwr[i * 2],
109			   i * 2 + 2, dev->ee->chan_pwr[i * 2 + 1]);
110
111	if (!dev->ee->tssi_enabled)
112		return 0;
113
114	seq_puts(file, "TSSI:\n");
115	seq_printf(file, "\t slope:%02hhx\n", td->slope);
116	seq_printf(file, "\t offset=%02hhx %02hhx %02hhx\n",
117		   td->offset[0], td->offset[1], td->offset[2]);
118	seq_printf(file, "\t delta_off:%08x\n", td->tx0_delta_offset);
119
120	return 0;
121}
122
123DEFINE_SHOW_ATTRIBUTE(mt7601u_eeprom_param);
124
125void mt7601u_init_debugfs(struct mt7601u_dev *dev)
126{
127	struct dentry *dir;
128
129	dir = debugfs_create_dir("mt7601u", dev->hw->wiphy->debugfsdir);
130
131	debugfs_create_u8("temperature", 0400, dir, &dev->raw_temp);
132	debugfs_create_u32("temp_mode", 0400, dir, &dev->temp_mode);
133
134	debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
135	debugfs_create_file("regval", 0600, dir, dev, &fops_regval);
136	debugfs_create_file("ampdu_stat", 0400, dir, dev, &mt7601u_ampdu_stat_fops);
137	debugfs_create_file("eeprom_param", 0400, dir, dev, &mt7601u_eeprom_param_fops);
138}