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1// SPDX-License-Identifier: GPL-2.0-only2/*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 int13mt76_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 int22mt76_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 int33mt7601u_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_printf61 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 int79mt7601u_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}139