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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/debugfs.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/debugfs.c147
1 files changed, 147 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 000000000..47e9911ee
--- /dev/null
+++ b/drivers/net/wireless/mediatek/mt76/debugfs.c
@@ -0,0 +1,147 @@
+// SPDX-License-Identifier: ISC
+/*
+ * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>
+ */
+#include "mt76.h"
+
+static int
+mt76_reg_set(void *data, u64 val)
+{
+ struct mt76_dev *dev = data;
+
+ __mt76_wr(dev, dev->debugfs_reg, val);
+ return 0;
+}
+
+static int
+mt76_reg_get(void *data, u64 *val)
+{
+ struct mt76_dev *dev = data;
+
+ *val = __mt76_rr(dev, dev->debugfs_reg);
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set,
+ "0x%08llx\n");
+
+static int
+mt76_napi_threaded_set(void *data, u64 val)
+{
+ struct mt76_dev *dev = data;
+
+ if (!mt76_is_mmio(dev))
+ return -EOPNOTSUPP;
+
+ if (dev->napi_dev.threaded != val)
+ return dev_set_threaded(&dev->napi_dev, val);
+
+ return 0;
+}
+
+static int
+mt76_napi_threaded_get(void *data, u64 *val)
+{
+ struct mt76_dev *dev = data;
+
+ *val = dev->napi_dev.threaded;
+ return 0;
+}
+
+DEFINE_DEBUGFS_ATTRIBUTE(fops_napi_threaded, mt76_napi_threaded_get,
+ mt76_napi_threaded_set, "%llu\n");
+
+int mt76_queues_read(struct seq_file *s, void *data)
+{
+ struct mt76_dev *dev = dev_get_drvdata(s->private);
+ int i;
+
+ seq_puts(s, " queue | hw-queued | head | tail |\n");
+ for (i = 0; i < ARRAY_SIZE(dev->phy.q_tx); i++) {
+ struct mt76_queue *q = dev->phy.q_tx[i];
+
+ if (!q)
+ continue;
+
+ seq_printf(s, " %9d | %9d | %9d | %9d |\n",
+ i, q->queued, q->head, q->tail);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mt76_queues_read);
+
+static int mt76_rx_queues_read(struct seq_file *s, void *data)
+{
+ struct mt76_dev *dev = dev_get_drvdata(s->private);
+ int i, queued;
+
+ seq_puts(s, " queue | hw-queued | head | tail |\n");
+ mt76_for_each_q_rx(dev, i) {
+ struct mt76_queue *q = &dev->q_rx[i];
+
+ queued = mt76_is_usb(dev) ? q->ndesc - q->queued : q->queued;
+ seq_printf(s, " %9d | %9d | %9d | %9d |\n",
+ i, queued, q->head, q->tail);
+ }
+
+ return 0;
+}
+
+void mt76_seq_puts_array(struct seq_file *file, const char *str,
+ s8 *val, int len)
+{
+ int i;
+
+ seq_printf(file, "%10s:", str);
+ for (i = 0; i < len; i++)
+ seq_printf(file, " %2d", val[i]);
+ seq_puts(file, "\n");
+}
+EXPORT_SYMBOL_GPL(mt76_seq_puts_array);
+
+static int mt76_read_rate_txpower(struct seq_file *s, void *data)
+{
+ struct mt76_dev *dev = dev_get_drvdata(s->private);
+
+ mt76_seq_puts_array(s, "CCK", dev->rate_power.cck,
+ ARRAY_SIZE(dev->rate_power.cck));
+ mt76_seq_puts_array(s, "OFDM", dev->rate_power.ofdm,
+ ARRAY_SIZE(dev->rate_power.ofdm));
+ mt76_seq_puts_array(s, "STBC", dev->rate_power.stbc,
+ ARRAY_SIZE(dev->rate_power.stbc));
+ mt76_seq_puts_array(s, "HT", dev->rate_power.ht,
+ ARRAY_SIZE(dev->rate_power.ht));
+ mt76_seq_puts_array(s, "VHT", dev->rate_power.vht,
+ ARRAY_SIZE(dev->rate_power.vht));
+ return 0;
+}
+
+struct dentry *
+mt76_register_debugfs_fops(struct mt76_phy *phy,
+ const struct file_operations *ops)
+{
+ const struct file_operations *fops = ops ? ops : &fops_regval;
+ struct mt76_dev *dev = phy->dev;
+ struct dentry *dir;
+
+ dir = debugfs_create_dir("mt76", phy->hw->wiphy->debugfsdir);
+ if (!dir)
+ return NULL;
+
+ debugfs_create_u8("led_pin", 0600, dir, &dev->led_pin);
+ debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);
+ debugfs_create_file_unsafe("regval", 0600, dir, dev, fops);
+ debugfs_create_file_unsafe("napi_threaded", 0600, dir, dev,
+ &fops_napi_threaded);
+ debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom);
+ if (dev->otp.data)
+ debugfs_create_blob("otp", 0400, dir, &dev->otp);
+ debugfs_create_devm_seqfile(dev->dev, "rate_txpower", dir,
+ mt76_read_rate_txpower);
+ debugfs_create_devm_seqfile(dev->dev, "rx-queues", dir,
+ mt76_rx_queues_read);
+
+ return dir;
+}
+EXPORT_SYMBOL_GPL(mt76_register_debugfs_fops);