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path: root/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c137
1 files changed, 137 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
new file mode 100644
index 000000000000..a9d52ba1e270
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x02_debugfs.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/debugfs.h>
+#include "mt76x02.h"
+
+static int
+mt76x02_ampdu_stat_read(struct seq_file *file, void *data)
+{
+ struct mt76x02_dev *dev = file->private;
+ int i, j;
+
+ for (i = 0; i < 4; i++) {
+ seq_puts(file, "Length: ");
+ for (j = 0; j < 8; j++)
+ seq_printf(file, "%8d | ", i * 8 + j + 1);
+ seq_puts(file, "\n");
+ seq_puts(file, "Count: ");
+ for (j = 0; j < 8; j++)
+ seq_printf(file, "%8d | ", dev->aggr_stats[i * 8 + j]);
+ seq_puts(file, "\n");
+ seq_puts(file, "--------");
+ for (j = 0; j < 8; j++)
+ seq_puts(file, "-----------");
+ seq_puts(file, "\n");
+ }
+
+ return 0;
+}
+
+static int
+mt76x02_ampdu_stat_open(struct inode *inode, struct file *f)
+{
+ return single_open(f, mt76x02_ampdu_stat_read, inode->i_private);
+}
+
+static int read_txpower(struct seq_file *file, void *data)
+{
+ struct mt76x02_dev *dev = dev_get_drvdata(file->private);
+
+ seq_printf(file, "Target power: %d\n", dev->target_power);
+
+ mt76_seq_puts_array(file, "Delta", dev->target_power_delta,
+ ARRAY_SIZE(dev->target_power_delta));
+ return 0;
+}
+
+static const struct file_operations fops_ampdu_stat = {
+ .open = mt76x02_ampdu_stat_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int
+mt76x02_dfs_stat_read(struct seq_file *file, void *data)
+{
+ struct mt76x02_dev *dev = file->private;
+ struct mt76x02_dfs_pattern_detector *dfs_pd = &dev->dfs_pd;
+ int i;
+
+ seq_printf(file, "allocated sequences:\t%d\n",
+ dfs_pd->seq_stats.seq_pool_len);
+ seq_printf(file, "used sequences:\t\t%d\n",
+ dfs_pd->seq_stats.seq_len);
+ seq_puts(file, "\n");
+
+ for (i = 0; i < MT_DFS_NUM_ENGINES; i++) {
+ seq_printf(file, "engine: %d\n", i);
+ seq_printf(file, " hw pattern detected:\t%d\n",
+ dfs_pd->stats[i].hw_pattern);
+ seq_printf(file, " hw pulse discarded:\t%d\n",
+ dfs_pd->stats[i].hw_pulse_discarded);
+ seq_printf(file, " sw pattern detected:\t%d\n",
+ dfs_pd->stats[i].sw_pattern);
+ }
+
+ return 0;
+}
+
+static int
+mt76x02_dfs_stat_open(struct inode *inode, struct file *f)
+{
+ return single_open(f, mt76x02_dfs_stat_read, inode->i_private);
+}
+
+static const struct file_operations fops_dfs_stat = {
+ .open = mt76x02_dfs_stat_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int read_agc(struct seq_file *file, void *data)
+{
+ struct mt76x02_dev *dev = dev_get_drvdata(file->private);
+
+ seq_printf(file, "avg_rssi: %d\n", dev->cal.avg_rssi_all);
+ seq_printf(file, "low_gain: %d\n", dev->cal.low_gain);
+ seq_printf(file, "false_cca: %d\n", dev->cal.false_cca);
+ seq_printf(file, "agc_gain_adjust: %d\n", dev->cal.agc_gain_adjust);
+
+ return 0;
+}
+
+void mt76x02_init_debugfs(struct mt76x02_dev *dev)
+{
+ struct dentry *dir;
+
+ dir = mt76_register_debugfs(&dev->mt76);
+ if (!dir)
+ return;
+
+ debugfs_create_u8("temperature", 0400, dir, &dev->cal.temp);
+ debugfs_create_bool("tpc", 0600, dir, &dev->enable_tpc);
+
+ debugfs_create_file("ampdu_stat", 0400, dir, dev, &fops_ampdu_stat);
+ debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat);
+ debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir,
+ read_txpower);
+
+ debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc);
+}
+EXPORT_SYMBOL_GPL(mt76x02_init_debugfs);