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// SPDX-License-Identifier: ISC
/* Copyright (C) 2020 MediaTek Inc. */
#include "mt7921.h"
#include "eeprom.h"
static int
mt7921_fw_debug_set(void *data, u64 val)
{
struct mt7921_dev *dev = data;
dev->fw_debug = (u8)val;
mt7921_mcu_fw_log_2_host(dev, dev->fw_debug);
return 0;
}
static int
mt7921_fw_debug_get(void *data, u64 *val)
{
struct mt7921_dev *dev = data;
*val = dev->fw_debug;
return 0;
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_fw_debug, mt7921_fw_debug_get,
mt7921_fw_debug_set, "%lld\n");
static void
mt7921_ampdu_stat_read_phy(struct mt7921_phy *phy,
struct seq_file *file)
{
struct mt7921_dev *dev = file->private;
int bound[15], range[4], i;
if (!phy)
return;
/* Tx ampdu stat */
for (i = 0; i < ARRAY_SIZE(range); i++)
range[i] = mt76_rr(dev, MT_MIB_ARNG(0, i));
for (i = 0; i < ARRAY_SIZE(bound); i++)
bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i) + 1;
seq_printf(file, "\nPhy0\n");
seq_printf(file, "Length: %8d | ", bound[0]);
for (i = 0; i < ARRAY_SIZE(bound) - 1; i++)
seq_printf(file, "%3d -%3d | ",
bound[i] + 1, bound[i + 1]);
seq_puts(file, "\nCount: ");
for (i = 0; i < ARRAY_SIZE(bound); i++)
seq_printf(file, "%8d | ", dev->mt76.aggr_stats[i]);
seq_puts(file, "\n");
seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
}
static int
mt7921_tx_stats_read(struct seq_file *file, void *data)
{
struct mt7921_dev *dev = file->private;
int stat[8], i, n;
mt7921_ampdu_stat_read_phy(&dev->phy, file);
/* Tx amsdu info */
seq_puts(file, "Tx MSDU stat:\n");
for (i = 0, n = 0; i < ARRAY_SIZE(stat); i++) {
stat[i] = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i));
n += stat[i];
}
for (i = 0; i < ARRAY_SIZE(stat); i++) {
seq_printf(file, "AMSDU pack count of %d MSDU in TXD: 0x%x ",
i + 1, stat[i]);
if (n != 0)
seq_printf(file, "(%d%%)\n", stat[i] * 100 / n);
else
seq_puts(file, "\n");
}
return 0;
}
static int
mt7921_tx_stats_open(struct inode *inode, struct file *f)
{
return single_open(f, mt7921_tx_stats_read, inode->i_private);
}
static const struct file_operations fops_tx_stats = {
.open = mt7921_tx_stats_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
.owner = THIS_MODULE,
};
static int
mt7921_queues_acq(struct seq_file *s, void *data)
{
struct mt7921_dev *dev = dev_get_drvdata(s->private);
int i;
for (i = 0; i < 16; i++) {
int j, acs = i / 4, index = i % 4;
u32 ctrl, val, qlen = 0;
val = mt76_rr(dev, MT_PLE_AC_QEMPTY(acs, index));
ctrl = BIT(31) | BIT(15) | (acs << 8);
for (j = 0; j < 32; j++) {
if (val & BIT(j))
continue;
mt76_wr(dev, MT_PLE_FL_Q0_CTRL,
ctrl | (j + (index << 5)));
qlen += mt76_get_field(dev, MT_PLE_FL_Q3_CTRL,
GENMASK(11, 0));
}
seq_printf(s, "AC%d%d: queued=%d\n", acs, index, qlen);
}
return 0;
}
static int
mt7921_queues_read(struct seq_file *s, void *data)
{
struct mt7921_dev *dev = dev_get_drvdata(s->private);
struct {
struct mt76_queue *q;
char *queue;
} queue_map[] = {
{ dev->mphy.q_tx[MT_TXQ_BE], "WFDMA0" },
{ dev->mt76.q_mcu[MT_MCUQ_WM], "MCUWM" },
{ dev->mt76.q_mcu[MT_MCUQ_FWDL], "MCUFWQ" },
};
int i;
for (i = 0; i < ARRAY_SIZE(queue_map); i++) {
struct mt76_queue *q = queue_map[i].q;
if (!q)
continue;
seq_printf(s,
"%s: queued=%d head=%d tail=%d\n",
queue_map[i].queue, q->queued, q->head,
q->tail);
}
return 0;
}
static int
mt7921_pm_set(void *data, u64 val)
{
struct mt7921_dev *dev = data;
struct mt76_phy *mphy = dev->phy.mt76;
int ret = 0;
mt7921_mutex_acquire(dev);
dev->pm.enable = val;
ieee80211_iterate_active_interfaces(mphy->hw,
IEEE80211_IFACE_ITER_RESUME_ALL,
mt7921_pm_interface_iter, mphy->priv);
mt7921_mutex_release(dev);
return ret;
}
static int
mt7921_pm_get(void *data, u64 *val)
{
struct mt7921_dev *dev = data;
*val = dev->pm.enable;
return 0;
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set, "%lld\n");
static int
mt7921_pm_idle_timeout_set(void *data, u64 val)
{
struct mt7921_dev *dev = data;
dev->pm.idle_timeout = msecs_to_jiffies(val);
return 0;
}
static int
mt7921_pm_idle_timeout_get(void *data, u64 *val)
{
struct mt7921_dev *dev = data;
*val = jiffies_to_msecs(dev->pm.idle_timeout);
return 0;
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_pm_idle_timeout, mt7921_pm_idle_timeout_get,
mt7921_pm_idle_timeout_set, "%lld\n");
static int mt7921_config(void *data, u64 val)
{
struct mt7921_dev *dev = data;
int ret;
mt7921_mutex_acquire(dev);
ret = mt76_connac_mcu_chip_config(&dev->mt76);
mt7921_mutex_release(dev);
return ret;
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_config, NULL, mt7921_config, "%lld\n");
int mt7921_init_debugfs(struct mt7921_dev *dev)
{
struct dentry *dir;
dir = mt76_register_debugfs(&dev->mt76);
if (!dir)
return -ENOMEM;
debugfs_create_devm_seqfile(dev->mt76.dev, "queues", dir,
mt7921_queues_read);
debugfs_create_devm_seqfile(dev->mt76.dev, "acq", dir,
mt7921_queues_acq);
debugfs_create_file("tx_stats", 0400, dir, dev, &fops_tx_stats);
debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug);
debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm);
debugfs_create_file("idle-timeout", 0600, dir, dev,
&fops_pm_idle_timeout);
debugfs_create_file("chip_config", 0600, dir, dev, &fops_config);
return 0;
}
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