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authorMaxime Ripard <maxime@cerno.tech>2021-05-11 13:35:52 +0200
committerMaxime Ripard <maxime@cerno.tech>2021-05-11 13:35:52 +0200
commitc55b44c9386f3ee1b08752638559f19deaf6040d (patch)
treec843a21f45180387fcd9eb2625cc9d1f166a3156 /drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
parentMAINTAINERS: Update my e-mail (diff)
parentLinux 5.13-rc1 (diff)
downloadlinux-c55b44c9386f3ee1b08752638559f19deaf6040d.tar.xz
linux-c55b44c9386f3ee1b08752638559f19deaf6040d.zip
Merge drm/drm-fixes into drm-misc-fixes
Start this new release drm-misc-fixes branch Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c168
1 files changed, 139 insertions, 29 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
index 0dc8e25e18e4..6ee423dd4027 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
@@ -9,10 +9,13 @@ mt7921_fw_debug_set(void *data, u64 val)
{
struct mt7921_dev *dev = data;
- dev->fw_debug = (u8)val;
+ mt7921_mutex_acquire(dev);
+ dev->fw_debug = (u8)val;
mt7921_mcu_fw_log_2_host(dev, dev->fw_debug);
+ mt7921_mutex_release(dev);
+
return 0;
}
@@ -44,14 +47,13 @@ mt7921_ampdu_stat_read_phy(struct mt7921_phy *phy,
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;
+ bound[i] = MT_MIB_ARNCR_RANGE(range[i / 4], i % 4) + 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_printf(file, "%3d %3d | ", bound[i] + 1, bound[i + 1]);
seq_puts(file, "\nCount: ");
for (i = 0; i < ARRAY_SIZE(bound); i++)
@@ -62,7 +64,7 @@ mt7921_ampdu_stat_read_phy(struct mt7921_phy *phy,
}
static int
-mt7921_tx_stats_read(struct seq_file *file, void *data)
+mt7921_tx_stats_show(struct seq_file *file, void *data)
{
struct mt7921_dev *dev = file->private;
int stat[8], i, n;
@@ -88,19 +90,7 @@ mt7921_tx_stats_read(struct seq_file *file, void *data)
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,
-};
+DEFINE_SHOW_ATTRIBUTE(mt7921_tx_stats);
static int
mt7921_queues_acq(struct seq_file *s, void *data)
@@ -159,23 +149,107 @@ mt7921_queues_read(struct seq_file *s, void *data)
return 0;
}
+static void
+mt7921_seq_puts_array(struct seq_file *file, const char *str,
+ s8 *val, int len)
+{
+ int i;
+
+ seq_printf(file, "%-16s:", str);
+ for (i = 0; i < len; i++)
+ if (val[i] == 127)
+ seq_printf(file, " %6s", "N.A");
+ else
+ seq_printf(file, " %6d", val[i]);
+ seq_puts(file, "\n");
+}
+
+#define mt7921_print_txpwr_entry(prefix, rate) \
+({ \
+ mt7921_seq_puts_array(s, #prefix " (user)", \
+ txpwr.data[TXPWR_USER].rate, \
+ ARRAY_SIZE(txpwr.data[TXPWR_USER].rate)); \
+ mt7921_seq_puts_array(s, #prefix " (eeprom)", \
+ txpwr.data[TXPWR_EEPROM].rate, \
+ ARRAY_SIZE(txpwr.data[TXPWR_EEPROM].rate)); \
+ mt7921_seq_puts_array(s, #prefix " (tmac)", \
+ txpwr.data[TXPWR_MAC].rate, \
+ ARRAY_SIZE(txpwr.data[TXPWR_MAC].rate)); \
+})
+
+static int
+mt7921_txpwr(struct seq_file *s, void *data)
+{
+ struct mt7921_dev *dev = dev_get_drvdata(s->private);
+ struct mt7921_txpwr txpwr;
+ int ret;
+
+ ret = mt7921_get_txpwr_info(dev, &txpwr);
+ if (ret)
+ return ret;
+
+ seq_printf(s, "Tx power table (channel %d)\n", txpwr.ch);
+ seq_printf(s, "%-16s %6s %6s %6s %6s\n",
+ " ", "1m", "2m", "5m", "11m");
+ mt7921_print_txpwr_entry(CCK, cck);
+
+ seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n",
+ " ", "6m", "9m", "12m", "18m", "24m", "36m",
+ "48m", "54m");
+ mt7921_print_txpwr_entry(OFDM, ofdm);
+
+ seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s\n",
+ " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5",
+ "mcs6", "mcs7");
+ mt7921_print_txpwr_entry(HT20, ht20);
+
+ seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n",
+ " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5",
+ "mcs6", "mcs7", "mcs32");
+ mt7921_print_txpwr_entry(HT40, ht40);
+
+ seq_printf(s, "%-16s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s %6s\n",
+ " ", "mcs0", "mcs1", "mcs2", "mcs3", "mcs4", "mcs5",
+ "mcs6", "mcs7", "mcs8", "mcs9", "mcs10", "mcs11");
+ mt7921_print_txpwr_entry(VHT20, vht20);
+ mt7921_print_txpwr_entry(VHT40, vht40);
+ mt7921_print_txpwr_entry(VHT80, vht80);
+ mt7921_print_txpwr_entry(VHT160, vht160);
+ mt7921_print_txpwr_entry(HE26, he26);
+ mt7921_print_txpwr_entry(HE52, he52);
+ mt7921_print_txpwr_entry(HE106, he106);
+ mt7921_print_txpwr_entry(HE242, he242);
+ mt7921_print_txpwr_entry(HE484, he484);
+ mt7921_print_txpwr_entry(HE996, he996);
+ mt7921_print_txpwr_entry(HE996x2, he996x2);
+
+ return 0;
+}
+
static int
mt7921_pm_set(void *data, u64 val)
{
struct mt7921_dev *dev = data;
+ struct mt76_connac_pm *pm = &dev->pm;
struct mt76_phy *mphy = dev->phy.mt76;
- int ret = 0;
+
+ if (val == pm->enable)
+ return 0;
mt7921_mutex_acquire(dev);
- dev->pm.enable = val;
+ if (!pm->enable) {
+ pm->stats.last_wake_event = jiffies;
+ pm->stats.last_doze_event = jiffies;
+ }
+ 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;
+ return 0;
}
static int
@@ -191,6 +265,29 @@ mt7921_pm_get(void *data, u64 *val)
DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7921_pm_get, mt7921_pm_set, "%lld\n");
static int
+mt7921_pm_stats(struct seq_file *s, void *data)
+{
+ struct mt7921_dev *dev = dev_get_drvdata(s->private);
+ struct mt76_connac_pm *pm = &dev->pm;
+
+ unsigned long awake_time = pm->stats.awake_time;
+ unsigned long doze_time = pm->stats.doze_time;
+
+ if (!test_bit(MT76_STATE_PM, &dev->mphy.state))
+ awake_time += jiffies - pm->stats.last_wake_event;
+ else
+ doze_time += jiffies - pm->stats.last_doze_event;
+
+ seq_printf(s, "awake time: %14u\ndoze time: %15u\n",
+ jiffies_to_msecs(awake_time),
+ jiffies_to_msecs(doze_time));
+
+ seq_printf(s, "low power wakes: %9d\n", pm->stats.lp_wake);
+
+ return 0;
+}
+
+static int
mt7921_pm_idle_timeout_set(void *data, u64 val)
{
struct mt7921_dev *dev = data;
@@ -213,19 +310,28 @@ mt7921_pm_idle_timeout_get(void *data, u64 *val)
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)
+static int mt7921_chip_reset(void *data, u64 val)
{
struct mt7921_dev *dev = data;
- int ret;
+ int ret = 0;
- mt7921_mutex_acquire(dev);
- ret = mt76_connac_mcu_chip_config(&dev->mt76);
- mt7921_mutex_release(dev);
+ switch (val) {
+ case 1:
+ /* Reset wifisys directly. */
+ mt7921_reset(&dev->mt76);
+ break;
+ default:
+ /* Collect the core dump before reset wifisys. */
+ mt7921_mutex_acquire(dev);
+ ret = mt76_connac_mcu_chip_config(&dev->mt76);
+ mt7921_mutex_release(dev);
+ break;
+ }
return ret;
}
-DEFINE_DEBUGFS_ATTRIBUTE(fops_config, NULL, mt7921_config, "%lld\n");
+DEFINE_DEBUGFS_ATTRIBUTE(fops_reset, NULL, mt7921_chip_reset, "%lld\n");
int mt7921_init_debugfs(struct mt7921_dev *dev)
{
@@ -239,12 +345,16 @@ int mt7921_init_debugfs(struct mt7921_dev *dev)
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_devm_seqfile(dev->mt76.dev, "txpower_sku", dir,
+ mt7921_txpwr);
+ debugfs_create_file("tx_stats", 0400, dir, dev, &mt7921_tx_stats_fops);
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);
+ debugfs_create_file("chip_reset", 0600, dir, dev, &fops_reset);
+ debugfs_create_devm_seqfile(dev->mt76.dev, "runtime_pm_stats", dir,
+ mt7921_pm_stats);
return 0;
}