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path: root/drivers/net/wireless/mediatek/mt76/debugfs.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/debugfs.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/debugfs.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/debugfs.c b/drivers/net/wireless/mediatek/mt76/debugfs.c
new file mode 100644
index 000000000000..c121b502a462
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/debugfs.c
@@ -0,0 +1,78 @@
+/*
+ * 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 "mt76.h"
+
+static int
+mt76_reg_set(void *data, u64 val)
+{
+ struct mt76_dev *dev = data;
+
+ dev->bus->wr(dev, dev->debugfs_reg, val);
+ return 0;
+}
+
+static int
+mt76_reg_get(void *data, u64 *val)
+{
+ struct mt76_dev *dev = data;
+
+ *val = dev->bus->rr(dev, dev->debugfs_reg);
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set,
+ "0x%08llx\n");
+
+static int
+mt76_queues_read(struct seq_file *s, void *data)
+{
+ struct mt76_dev *dev = dev_get_drvdata(s->private);
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dev->q_tx); i++) {
+ struct mt76_queue *q = &dev->q_tx[i];
+
+ if (!q->ndesc)
+ continue;
+
+ seq_printf(s,
+ "%d: queued=%d head=%d tail=%d swq_queued=%d\n",
+ i, q->queued, q->head, q->tail, q->swq_queued);
+ }
+
+ return 0;
+}
+
+struct dentry *mt76_register_debugfs(struct mt76_dev *dev)
+{
+ struct dentry *dir;
+
+ dir = debugfs_create_dir("mt76", dev->hw->wiphy->debugfsdir);
+ if (!dir)
+ return NULL;
+
+ debugfs_create_u8("led_pin", S_IRUSR | S_IWUSR, dir, &dev->led_pin);
+ debugfs_create_u32("regidx", S_IRUSR | S_IWUSR, dir, &dev->debugfs_reg);
+ debugfs_create_file_unsafe("regval", S_IRUSR | S_IWUSR, dir, dev,
+ &fops_regval);
+ debugfs_create_blob("eeprom", S_IRUSR, dir, &dev->eeprom);
+ if (dev->otp.data)
+ debugfs_create_blob("otp", S_IRUSR, dir, &dev->otp);
+ debugfs_create_devm_seqfile(dev->dev, "queues", dir, mt76_queues_read);
+
+ return dir;
+}
+EXPORT_SYMBOL_GPL(mt76_register_debugfs);