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mt76: mt7615: add runtime-pm knob in mt7615 debugfs

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Introduce runtime-pm knob in mt7615 debugfs in order to enable/disable
runtime pm available in offload firmware

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2020-07-03 10:15:58 +02:00 committed by Felix Fietkau
parent 1f549009b5
commit b5b4c7ddf1
3 changed files with 42 additions and 0 deletions
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24
drivers/net/wireless/mediatek/mt76/mt7615/debugfs.c
View File

@ -51,6 +51,29 @@ mt7615_scs_get(void *data, u64 *val)
DEFINE_DEBUGFS_ATTRIBUTE(fops_scs, mt7615_scs_get,
mt7615_scs_set, "%lld\n");
static int
mt7615_pm_set(void *data, u64 val)
{
struct mt7615_dev *dev = data;
if (!mt7615_wait_for_mcu_init(dev))
return 0;
return mt7615_pm_set_enable(dev, val);
}
static int
mt7615_pm_get(void *data, u64 *val)
{
struct mt7615_dev *dev = data;
*val = dev->pm.enable;
return 0;
}
DEFINE_DEBUGFS_ATTRIBUTE(fops_pm, mt7615_pm_get, mt7615_pm_set, "%lld\n");
static int
mt7615_dbdc_set(void *data, u64 val)
{
@ -351,6 +374,7 @@ int mt7615_init_debugfs(struct mt7615_dev *dev)
debugfs_create_file("scs", 0600, dir, dev, &fops_scs);
debugfs_create_file("dbdc", 0600, dir, dev, &fops_dbdc);
debugfs_create_file("fw_debug", 0600, dir, dev, &fops_fw_debug);
debugfs_create_file("runtime-pm", 0600, dir, dev, &fops_pm);
debugfs_create_devm_seqfile(dev->mt76.dev, "radio", dir,
mt7615_radio_read);
debugfs_create_u32("dfs_hw_pattern", 0400, dir, &dev->hw_pattern);

17
drivers/net/wireless/mediatek/mt76/mt7615/mac.c
View File

@ -1929,6 +1929,23 @@ void mt7615_pm_power_save_work(struct work_struct *work)
MT7615_PM_TIMEOUT);
}
int mt7615_pm_set_enable(struct mt7615_dev *dev, bool enable)
{
if (!mt7615_firmware_offload(dev) || !mt76_is_mmio(&dev->mt76))
return -EOPNOTSUPP;
mt7615_mutex_acquire(dev);
if (dev->pm.enable == enable)
goto out;
dev->pm.enable = enable;
out:
mt7615_mutex_release(dev);
return 0;
}
void mt7615_mac_work(struct work_struct *work)
{
struct mt7615_phy *phy;

1
drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
View File

@ -443,6 +443,7 @@ bool mt7615_wait_for_mcu_init(struct mt7615_dev *dev);
void mt7615_mac_set_rates(struct mt7615_phy *phy, struct mt7615_sta *sta,
struct ieee80211_tx_rate *probe_rate,
struct ieee80211_tx_rate *rates);
int mt7615_pm_set_enable(struct mt7615_dev *dev, bool enable);
void mt7615_pm_wake_work(struct work_struct *work);
int mt7615_pm_wake(struct mt7615_dev *dev);
void mt7615_pm_power_save_sched(struct mt7615_dev *dev);