Jakub Kicinski | c869f77 | 2015-05-26 11:16:00 +0200 | [diff] [blame] | 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 | } |