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 12 static int 13 mt76_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 21 static int 22 mt76_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 30 DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n"); 31 32 static int 33 mt7601u_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 76 DEFINE_SHOW_ATTRIBUTE(mt7601u_ampdu_stat); 77 78 static int 79 mt7601u_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-%hhu\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 } 122 123 DEFINE_SHOW_ATTRIBUTE(mt7601u_eeprom_param); 124 125 void mt7601u_init_debugfs(struct mt7601u_dev *dev) 126 { 127 struct dentry *dir; 128 129 dir = debugfs_create_dir("mt7601u", dev->hw->wiphy->debugfsdir); 130 if (!dir) 131 return; 132 133 debugfs_create_u8("temperature", 0400, dir, &dev->raw_temp); 134 debugfs_create_u32("temp_mode", 0400, dir, &dev->temp_mode); 135 136 debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg); 137 debugfs_create_file("regval", 0600, dir, dev, &fops_regval); 138 debugfs_create_file("ampdu_stat", 0400, dir, dev, &mt7601u_ampdu_stat_fops); 139 debugfs_create_file("eeprom_param", 0400, dir, dev, &mt7601u_eeprom_param_fops); 140 } 141