diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt7601u/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt7601u/debugfs.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt7601u/debugfs.c b/drivers/net/wireless/mediatek/mt7601u/debugfs.c new file mode 100644 index 000000000..991a6a729 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt7601u/debugfs.c @@ -0,0 +1,170 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/debugfs.h> + +#include "mt7601u.h" +#include "eeprom.h" + +static int +mt76_reg_set(void *data, u64 val) +{ + struct mt7601u_dev *dev = data; + + mt76_wr(dev, dev->debugfs_reg, val); + return 0; +} + +static int +mt76_reg_get(void *data, u64 *val) +{ + struct mt7601u_dev *dev = data; + + *val = mt76_rr(dev, dev->debugfs_reg); + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n"); + +static int +mt7601u_ampdu_stat_read(struct seq_file *file, void *data) +{ + struct mt7601u_dev *dev = file->private; + int i, j; + +#define stat_printf(grp, off, name) \ + seq_printf(file, #name ":\t%llu\n", dev->stats.grp[off]) + + stat_printf(rx_stat, 0, rx_crc_err); + stat_printf(rx_stat, 1, rx_phy_err); + stat_printf(rx_stat, 2, rx_false_cca); + stat_printf(rx_stat, 3, rx_plcp_err); + stat_printf(rx_stat, 4, rx_fifo_overflow); + stat_printf(rx_stat, 5, rx_duplicate); + + stat_printf(tx_stat, 0, tx_fail_cnt); + stat_printf(tx_stat, 1, tx_bcn_cnt); + stat_printf(tx_stat, 2, tx_success); + stat_printf(tx_stat, 3, tx_retransmit); + stat_printf(tx_stat, 4, tx_zero_len); + stat_printf(tx_stat, 5, tx_underflow); + + stat_printf(aggr_stat, 0, non_aggr_tx); + stat_printf(aggr_stat, 1, aggr_tx); + + stat_printf(zero_len_del, 0, tx_zero_len_del); + stat_printf(zero_len_del, 1, rx_zero_len_del); +#undef stat_printf + + seq_puts(file, "Aggregations stats:\n"); + for (i = 0; i < 4; i++) { + for (j = 0; j < 8; j++) + seq_printf(file, "%08llx ", + dev->stats.aggr_n[i * 8 + j]); + seq_putc(file, '\n'); + } + + seq_printf(file, "recent average AMPDU len: %d\n", + atomic_read(&dev->avg_ampdu_len)); + + return 0; +} + +static int +mt7601u_ampdu_stat_open(struct inode *inode, struct file *f) +{ + return single_open(f, mt7601u_ampdu_stat_read, inode->i_private); +} + +static const struct file_operations fops_ampdu_stat = { + .open = mt7601u_ampdu_stat_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int +mt7601u_eeprom_param_read(struct seq_file *file, void *data) +{ + struct mt7601u_dev *dev = file->private; + struct mt7601u_rate_power *rp = &dev->ee->power_rate_table; + struct tssi_data *td = &dev->ee->tssi_data; + int i; + + seq_printf(file, "RF freq offset: %hhx\n", dev->ee->rf_freq_off); + seq_printf(file, "RSSI offset: %hhx %hhx\n", + dev->ee->rssi_offset[0], dev->ee->rssi_offset[1]); + seq_printf(file, "Reference temp: %hhx\n", dev->ee->ref_temp); + seq_printf(file, "LNA gain: %hhx\n", dev->ee->lna_gain); + seq_printf(file, "Reg channels: %hhu-%hhu\n", dev->ee->reg.start, + dev->ee->reg.start + dev->ee->reg.num - 1); + + seq_puts(file, "Per rate power:\n"); + for (i = 0; i < 2; i++) + seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n", + rp->cck[i].raw, rp->cck[i].bw20, rp->cck[i].bw40); + for (i = 0; i < 4; i++) + seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n", + rp->ofdm[i].raw, rp->ofdm[i].bw20, rp->ofdm[i].bw40); + for (i = 0; i < 4; i++) + seq_printf(file, "\t raw:%02hhx bw20:%02hhx bw40:%02hhx\n", + rp->ht[i].raw, rp->ht[i].bw20, rp->ht[i].bw40); + + seq_puts(file, "Per channel power:\n"); + for (i = 0; i < 7; i++) + seq_printf(file, "\t tx_power ch%u:%02hhx ch%u:%02hhx\n", + i * 2 + 1, dev->ee->chan_pwr[i * 2], + i * 2 + 2, dev->ee->chan_pwr[i * 2 + 1]); + + if (!dev->ee->tssi_enabled) + return 0; + + seq_puts(file, "TSSI:\n"); + seq_printf(file, "\t slope:%02hhx\n", td->slope); + seq_printf(file, "\t offset=%02hhx %02hhx %02hhx\n", + td->offset[0], td->offset[1], td->offset[2]); + seq_printf(file, "\t delta_off:%08x\n", td->tx0_delta_offset); + + return 0; +} + +static int +mt7601u_eeprom_param_open(struct inode *inode, struct file *f) +{ + return single_open(f, mt7601u_eeprom_param_read, inode->i_private); +} + +static const struct file_operations fops_eeprom_param = { + .open = mt7601u_eeprom_param_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +void mt7601u_init_debugfs(struct mt7601u_dev *dev) +{ + struct dentry *dir; + + dir = debugfs_create_dir("mt7601u", dev->hw->wiphy->debugfsdir); + if (!dir) + return; + + debugfs_create_u8("temperature", 0400, dir, &dev->raw_temp); + debugfs_create_u32("temp_mode", 0400, dir, &dev->temp_mode); + + debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg); + debugfs_create_file("regval", 0600, dir, dev, &fops_regval); + debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat); + debugfs_create_file("eeprom_param", 0400, dir, dev, &fops_eeprom_param); +} |