mediatek/mt7601u/debugfs.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
0004  * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
0005  */
0006
0007 #include <linux/debugfs.h>
0008
0009 #include "mt7601u.h"
0010 #include "eeprom.h"
0011
0012 static int
0013 mt76_reg_set(void *data, u64 val)
0014 {
0015     struct mt7601u_dev *dev = data;
0016
0017     mt76_wr(dev, dev->debugfs_reg, val);
0018     return 0;
0019 }
0020
0021 static int
0022 mt76_reg_get(void *data, u64 *val)
0023 {
0024     struct mt7601u_dev *dev = data;
0025
0026     *val = mt76_rr(dev, dev->debugfs_reg);
0027     return 0;
0028 }
0029
0030 DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n");
0031
0032 static int
0033 mt7601u_ampdu_stat_show(struct seq_file *file, void *data)
0034 {
0035     struct mt7601u_dev *dev = file->private;
0036     int i, j;
0037
0038 #define stat_printf(grp, off, name)                 \
0039     seq_printf(file, #name ":\t%llu\n", dev->stats.grp[off])
0040
0041     stat_printf(rx_stat, 0, rx_crc_err);
0042     stat_printf(rx_stat, 1, rx_phy_err);
0043     stat_printf(rx_stat, 2, rx_false_cca);
0044     stat_printf(rx_stat, 3, rx_plcp_err);
0045     stat_printf(rx_stat, 4, rx_fifo_overflow);
0046     stat_printf(rx_stat, 5, rx_duplicate);
0047
0048     stat_printf(tx_stat, 0, tx_fail_cnt);
0049     stat_printf(tx_stat, 1, tx_bcn_cnt);
0050     stat_printf(tx_stat, 2, tx_success);
0051     stat_printf(tx_stat, 3, tx_retransmit);
0052     stat_printf(tx_stat, 4, tx_zero_len);
0053     stat_printf(tx_stat, 5, tx_underflow);
0054
0055     stat_printf(aggr_stat, 0, non_aggr_tx);
0056     stat_printf(aggr_stat, 1, aggr_tx);
0057
0058     stat_printf(zero_len_del, 0, tx_zero_len_del);
0059     stat_printf(zero_len_del, 1, rx_zero_len_del);
0060 #undef stat_printf
0061
0062     seq_puts(file, "Aggregations stats:\n");
0063     for (i = 0; i < 4; i++) {
0064         for (j = 0; j < 8; j++)
0065             seq_printf(file, "%08llx ",
0066                    dev->stats.aggr_n[i * 8 + j]);
0067         seq_putc(file, '\n');
0068     }
0069
0070     seq_printf(file, "recent average AMPDU len: %d\n",
0071            atomic_read(&dev->avg_ampdu_len));
0072
0073     return 0;
0074 }
0075
0076 DEFINE_SHOW_ATTRIBUTE(mt7601u_ampdu_stat);
0077
0078 static int
0079 mt7601u_eeprom_param_show(struct seq_file *file, void *data)
0080 {
0081     struct mt7601u_dev *dev = file->private;
0082     struct mt7601u_rate_power *rp = &dev->ee->power_rate_table;
0083     struct tssi_data *td = &dev->ee->tssi_data;
0084     int i;
0085
0086     seq_printf(file, "RF freq offset: %hhx\n", dev->ee->rf_freq_off);
0087     seq_printf(file, "RSSI offset: %hhx %hhx\n",
0088            dev->ee->rssi_offset[0], dev->ee->rssi_offset[1]);
0089     seq_printf(file, "Reference temp: %hhx\n", dev->ee->ref_temp);
0090     seq_printf(file, "LNA gain: %hhx\n", dev->ee->lna_gain);
0091     seq_printf(file, "Reg channels: %hhu-%d\n", dev->ee->reg.start,
0092            dev->ee->reg.start + dev->ee->reg.num - 1);
0093
0094     seq_puts(file, "Per rate power:\n");
0095     for (i = 0; i < 2; i++)
0096         seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
0097                rp->cck[i].raw, rp->cck[i].bw20, rp->cck[i].bw40);
0098     for (i = 0; i < 4; i++)
0099         seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
0100                rp->ofdm[i].raw, rp->ofdm[i].bw20, rp->ofdm[i].bw40);
0101     for (i = 0; i < 4; i++)
0102         seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n",
0103                rp->ht[i].raw, rp->ht[i].bw20, rp->ht[i].bw40);
0104
0105     seq_puts(file, "Per channel power:\n");
0106     for (i = 0; i < 7; i++)
0107         seq_printf(file, "\t tx_power  ch%u:%02hhx ch%u:%02hhx\n",
0108                i * 2 + 1, dev->ee->chan_pwr[i * 2],
0109                i * 2 + 2, dev->ee->chan_pwr[i * 2 + 1]);
0110
0111     if (!dev->ee->tssi_enabled)
0112         return 0;
0113
0114     seq_puts(file, "TSSI:\n");
0115     seq_printf(file, "\t slope:%02hhx\n", td->slope);
0116     seq_printf(file, "\t offset=%02hhx %02hhx %02hhx\n",
0117            td->offset[0], td->offset[1], td->offset[2]);
0118     seq_printf(file, "\t delta_off:%08x\n", td->tx0_delta_offset);
0119
0120     return 0;
0121 }
0122
0123 DEFINE_SHOW_ATTRIBUTE(mt7601u_eeprom_param);
0124
0125 void mt7601u_init_debugfs(struct mt7601u_dev *dev)
0126 {
0127     struct dentry *dir;
0128
0129     dir = debugfs_create_dir("mt7601u", dev->hw->wiphy->debugfsdir);
0130     if (!dir)
0131         return;
0132
0133     debugfs_create_u8("temperature", 0400, dir, &dev->raw_temp);
0134     debugfs_create_u32("temp_mode", 0400, dir, &dev->temp_mode);
0135
0136     debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
0137     debugfs_create_file("regval", 0600, dir, dev, &fops_regval);
0138     debugfs_create_file("ampdu_stat", 0400, dir, dev, &mt7601u_ampdu_stat_fops);
0139     debugfs_create_file("eeprom_param", 0400, dir, dev, &mt7601u_eeprom_param_fops);
0140 }