Merge tag 'mt76-for-kvalo-2021-04-21' of https://github.com/nbd168/wireless

mt76 patches for 5.13

* testmode improvements
* bugfixes
* device tree power limits support for 7615 and newer
* hardware recovery fixes
* mt7663 reset/init fixes
* mt7915 flash pre-calibration support
* mt7921/mt7663 runtime power management fixes

# gpg: Signature made Wed 21 Apr 2021 09:58:49 PM EEST using DSA key ID 02A76EF5
# gpg: Good signature from "Felix Fietkau <nbd@nbd.name>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 75D1 1A7D 91A7 710F 4900  42EF D77D 141D 02A7 6EF5

1 files changed, 134 insertions, 10 deletions

diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7921/debugfs.c
index 94f0320ab2d4..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;
 }
 
@@ -146,15 +149,100 @@ 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;
 
+	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,
@@ -177,6 +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;
@@ -199,19 +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;
-
-	mt7921_mutex_acquire(dev);
-	ret = mt76_connac_mcu_chip_config(&dev->mt76);
-	mt7921_mutex_release(dev);
+	int ret = 0;
+
+	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)
 {
@@ -225,12 +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_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;
 }