These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / net / wireless / mediatek / mt7601u / debugfs.c
diff --git a/kernel/drivers/net/wireless/mediatek/mt7601u/debugfs.c b/kernel/drivers/net/wireless/mediatek/mt7601u/debugfs.c
new file mode 100644 (file)
index 0000000..fc00847
--- /dev/null
@@ -0,0 +1,172 @@
+/*
+ * 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", S_IRUSR, dir, &dev->raw_temp);
+       debugfs_create_u32("temp_mode", S_IRUSR, dir, &dev->temp_mode);
+
+       debugfs_create_u32("regidx", S_IRUSR | S_IWUSR, dir, &dev->debugfs_reg);
+       debugfs_create_file("regval", S_IRUSR | S_IWUSR, dir, dev,
+                           &fops_regval);
+       debugfs_create_file("ampdu_stat", S_IRUSR, dir, dev, &fops_ampdu_stat);
+       debugfs_create_file("eeprom_param", S_IRUSR, dir, dev,
+                           &fops_eeprom_param);
+}