From 17f1de56df051229988aab37e01971c9713c4a31 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 21 Nov 2017 10:50:52 +0100 Subject: mt76: add common code shared between multiple chipsets This will be used by drivers for MT76x2e, MT7603e and MT7628 Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/mediatek/mt76/debugfs.c | 77 ++++++++++++++++++++++++++++ 1 file changed, 77 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 000000000000..7c3612aaa8c4 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/debugfs.c @@ -0,0 +1,77 @@ +/* + * Copyright (C) 2016 Felix Fietkau + * + * 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_SIMPLE_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("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); -- cgit