From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/net/wireless/mediatek/mt76/debugfs.c | 147 +++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 drivers/net/wireless/mediatek/mt76/debugfs.c (limited to 'drivers/net/wireless/mediatek/mt76/debugfs.c') 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 + */ +#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); -- cgit v1.2.3