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1// SPDX-License-Identifier: ISC2/*3 * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name>4 */5#include "mt76.h"6 7static int8mt76_reg_set(void *data, u64 val)9{10 struct mt76_dev *dev = data;11 12 __mt76_wr(dev, dev->debugfs_reg, val);13 return 0;14}15 16static int17mt76_reg_get(void *data, u64 *val)18{19 struct mt76_dev *dev = data;20 21 *val = __mt76_rr(dev, dev->debugfs_reg);22 return 0;23}24 25DEFINE_DEBUGFS_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set,26 "0x%08llx\n");27 28static int29mt76_napi_threaded_set(void *data, u64 val)30{31 struct mt76_dev *dev = data;32 33 if (!mt76_is_mmio(dev))34 return -EOPNOTSUPP;35 36 if (dev->napi_dev->threaded != val)37 return dev_set_threaded(dev->napi_dev, val);38 39 return 0;40}41 42static int43mt76_napi_threaded_get(void *data, u64 *val)44{45 struct mt76_dev *dev = data;46 47 *val = dev->napi_dev->threaded;48 return 0;49}50 51DEFINE_DEBUGFS_ATTRIBUTE(fops_napi_threaded, mt76_napi_threaded_get,52 mt76_napi_threaded_set, "%llu\n");53 54int mt76_queues_read(struct seq_file *s, void *data)55{56 struct mt76_dev *dev = dev_get_drvdata(s->private);57 int i;58 59 seq_puts(s, " queue | hw-queued | head | tail |\n");60 for (i = 0; i < ARRAY_SIZE(dev->phy.q_tx); i++) {61 struct mt76_queue *q = dev->phy.q_tx[i];62 63 if (!q)64 continue;65 66 seq_printf(s, " %9d | %9d | %9d | %9d |\n",67 i, q->queued, q->head, q->tail);68 }69 70 return 0;71}72EXPORT_SYMBOL_GPL(mt76_queues_read);73 74static int mt76_rx_queues_read(struct seq_file *s, void *data)75{76 struct mt76_dev *dev = dev_get_drvdata(s->private);77 int i, queued;78 79 seq_puts(s, " queue | hw-queued | head | tail |\n");80 mt76_for_each_q_rx(dev, i) {81 struct mt76_queue *q = &dev->q_rx[i];82 83 queued = mt76_is_usb(dev) ? q->ndesc - q->queued : q->queued;84 seq_printf(s, " %9d | %9d | %9d | %9d |\n",85 i, queued, q->head, q->tail);86 }87 88 return 0;89}90 91void mt76_seq_puts_array(struct seq_file *file, const char *str,92 s8 *val, int len)93{94 int i;95 96 seq_printf(file, "%10s:", str);97 for (i = 0; i < len; i++)98 seq_printf(file, " %2d", val[i]);99 seq_puts(file, "\n");100}101EXPORT_SYMBOL_GPL(mt76_seq_puts_array);102 103struct dentry *104mt76_register_debugfs_fops(struct mt76_phy *phy,105 const struct file_operations *ops)106{107 const struct file_operations *fops = ops ? ops : &fops_regval;108 struct mt76_dev *dev = phy->dev;109 struct dentry *dir;110 111 dir = debugfs_create_dir("mt76", phy->hw->wiphy->debugfsdir);112 113 debugfs_create_u8("led_pin", 0600, dir, &phy->leds.pin);114 debugfs_create_u32("regidx", 0600, dir, &dev->debugfs_reg);115 debugfs_create_file_unsafe("regval", 0600, dir, dev, fops);116 debugfs_create_file_unsafe("napi_threaded", 0600, dir, dev,117 &fops_napi_threaded);118 debugfs_create_blob("eeprom", 0400, dir, &dev->eeprom);119 if (dev->otp.data)120 debugfs_create_blob("otp", 0400, dir, &dev->otp);121 debugfs_create_devm_seqfile(dev->dev, "rx-queues", dir,122 mt76_rx_queues_read);123 124 return dir;125}126EXPORT_SYMBOL_GPL(mt76_register_debugfs_fops);127