1 /* 2 * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> 3 * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 7 * as published by the Free Software Foundation 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 */ 14 15 #include <linux/debugfs.h> 16 17 #include "mt7601u.h" 18 #include "eeprom.h" 19 20 static int 21 mt76_reg_set(void *data, u64 val) 22 { 23 struct mt7601u_dev *dev = data; 24 25 mt76_wr(dev, dev->debugfs_reg, val); 26 return 0; 27 } 28 29 static int 30 mt76_reg_get(void *data, u64 *val) 31 { 32 struct mt7601u_dev *dev = data; 33 34 *val = mt76_rr(dev, dev->debugfs_reg); 35 return 0; 36 } 37 38 DEFINE_SIMPLE_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n"); 39 40 static int 41 mt7601u_ampdu_stat_read(struct seq_file *file, void *data) 42 { 43 struct mt7601u_dev *dev = file->private; 44 int i, j; 45 46 #define stat_printf(grp, off, name) \ 47 seq_printf(file, #name ":\t%llu\n", dev->stats.grp[off]) 48 49 stat_printf(rx_stat, 0, rx_crc_err); 50 stat_printf(rx_stat, 1, rx_phy_err); 51 stat_printf(rx_stat, 2, rx_false_cca); 52 stat_printf(rx_stat, 3, rx_plcp_err); 53 stat_printf(rx_stat, 4, rx_fifo_overflow); 54 stat_printf(rx_stat, 5, rx_duplicate); 55 56 stat_printf(tx_stat, 0, tx_fail_cnt); 57 stat_printf(tx_stat, 1, tx_bcn_cnt); 58 stat_printf(tx_stat, 2, tx_success); 59 stat_printf(tx_stat, 3, tx_retransmit); 60 stat_printf(tx_stat, 4, tx_zero_len); 61 stat_printf(tx_stat, 5, tx_underflow); 62 63 stat_printf(aggr_stat, 0, non_aggr_tx); 64 stat_printf(aggr_stat, 1, aggr_tx); 65 66 stat_printf(zero_len_del, 0, tx_zero_len_del); 67 stat_printf(zero_len_del, 1, rx_zero_len_del); 68 #undef stat_printf 69 70 seq_puts(file, "Aggregations stats:\n"); 71 for (i = 0; i < 4; i++) { 72 for (j = 0; j < 8; j++) 73 seq_printf(file, "%08llx ", 74 dev->stats.aggr_n[i * 8 + j]); 75 seq_putc(file, '\n'); 76 } 77 78 seq_printf(file, "recent average AMPDU len: %d\n", 79 atomic_read(&dev->avg_ampdu_len)); 80 81 return 0; 82 } 83 84 static int 85 mt7601u_ampdu_stat_open(struct inode *inode, struct file *f) 86 { 87 return single_open(f, mt7601u_ampdu_stat_read, inode->i_private); 88 } 89 90 static const struct file_operations fops_ampdu_stat = { 91 .open = mt7601u_ampdu_stat_open, 92 .read = seq_read, 93 .llseek = seq_lseek, 94 .release = single_release, 95 }; 96 97 static int 98 mt7601u_eeprom_param_read(struct seq_file *file, void *data) 99 { 100 struct mt7601u_dev *dev = file->private; 101 struct mt7601u_rate_power *rp = &dev->ee->power_rate_table; 102 struct tssi_data *td = &dev->ee->tssi_data; 103 int i; 104 105 seq_printf(file, "RF freq offset: %hhx\n", dev->ee->rf_freq_off); 106 seq_printf(file, "RSSI offset: %hhx %hhx\n", 107 dev->ee->rssi_offset[0], dev->ee->rssi_offset[1]); 108 seq_printf(file, "Reference temp: %hhx\n", dev->ee->ref_temp); 109 seq_printf(file, "LNA gain: %hhx\n", dev->ee->lna_gain); 110 seq_printf(file, "Reg channels: %hhu-%hhu\n", dev->ee->reg.start, 111 dev->ee->reg.start + dev->ee->reg.num - 1); 112 113 seq_puts(file, "Per rate power:\n"); 114 for (i = 0; i < 2; i++) 115 seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n", 116 rp->cck[i].raw, rp->cck[i].bw20, rp->cck[i].bw40); 117 for (i = 0; i < 4; i++) 118 seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n", 119 rp->ofdm[i].raw, rp->ofdm[i].bw20, rp->ofdm[i].bw40); 120 for (i = 0; i < 4; i++) 121 seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n", 122 rp->ht[i].raw, rp->ht[i].bw20, rp->ht[i].bw40); 123 124 seq_puts(file, "Per channel power:\n"); 125 for (i = 0; i < 7; i++) 126 seq_printf(file, "\t tx_power ch%u:%02hhx ch%u:%02hhx\n", 127 i * 2 + 1, dev->ee->chan_pwr[i * 2], 128 i * 2 + 2, dev->ee->chan_pwr[i * 2 + 1]); 129 130 if (!dev->ee->tssi_enabled) 131 return 0; 132 133 seq_puts(file, "TSSI:\n"); 134 seq_printf(file, "\t slope:%02hhx\n", td->slope); 135 seq_printf(file, "\t offset=%02hhx %02hhx %02hhx\n", 136 td->offset[0], td->offset[1], td->offset[2]); 137 seq_printf(file, "\t delta_off:%08x\n", td->tx0_delta_offset); 138 139 return 0; 140 } 141 142 static int 143 mt7601u_eeprom_param_open(struct inode *inode, struct file *f) 144 { 145 return single_open(f, mt7601u_eeprom_param_read, inode->i_private); 146 } 147 148 static const struct file_operations fops_eeprom_param = { 149 .open = mt7601u_eeprom_param_open, 150 .read = seq_read, 151 .llseek = seq_lseek, 152 .release = single_release, 153 }; 154 155 void mt7601u_init_debugfs(struct mt7601u_dev *dev) 156 { 157 struct dentry *dir; 158 159 dir = debugfs_create_dir("mt7601u", dev->hw->wiphy->debugfsdir); 160 if (!dir) 161 return; 162 163 debugfs_create_u8("temperature", S_IRUSR, dir, &dev->raw_temp); 164 debugfs_create_u32("temp_mode", S_IRUSR, dir, &dev->temp_mode); 165 166 debugfs_create_u32("regidx", S_IRUSR | S_IWUSR, dir, &dev->debugfs_reg); 167 debugfs_create_file("regval", S_IRUSR | S_IWUSR, dir, dev, 168 &fops_regval); 169 debugfs_create_file("ampdu_stat", S_IRUSR, dir, dev, &fops_ampdu_stat); 170 debugfs_create_file("eeprom_param", S_IRUSR, dir, dev, 171 &fops_eeprom_param); 172 } 173