1 files changed, 137 insertions, 0 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2/debugfs.c
new file mode 100644
index 000000000000..e8f8ccc0a5ed
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/mt76x2/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 "mt76x2.h"
+
+static int
+mt76x2_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
+mt76x2_ampdu_stat_open(struct inode *inode, struct file *f)
+{
+        return single_open(f, mt76x2_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 = mt76x2_ampdu_stat_open,
+        .read = seq_read,
+        .llseek = seq_lseek,
+        .release = single_release,
+};
+
+static int
+mt76x2_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
+mt76x2_dfs_stat_open(struct inode *inode, struct file *f)
+{
+        return single_open(f, mt76x2_dfs_stat_read, inode->i_private);
+}
+
+static const struct file_operations fops_dfs_stat = {
+        .open = mt76x2_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 mt76x2_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(mt76x2_init_debugfs);