mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-07 18:37:58 -04:00
Code Issues Packages Projects Releases Wiki Activity

mt76: mt7615: introduce LED support

Browse Source 
Initialize brightness_set and blink_set callbacks to
mt7615_led_set_brightness and mt7615_led_set_blink in order to enable
LED support in mt7615 driver

Tested-by: Deng Qingfang <dengqf6@mail2.sysu.edu.cn>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi
2019-12-16 14:05:05 +01:00
committed by Felix Fietkau
parent 9379df2fd9
commit ff913979a2
2 changed files with 76 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
drivers/net/wireless/mediatek/mt76/mt7615/init.c
View File

@@ -208,6 +208,58 @@ static const struct ieee80211_iface_combination if_comb[] = {
}
};
static void
mt7615_led_set_config(struct led_classdev *led_cdev,
u8 delay_on, u8 delay_off)
{
struct mt7615_dev *dev;
struct mt76_dev *mt76;
u32 val, addr;
mt76 = container_of(led_cdev, struct mt76_dev, led_cdev);
dev = container_of(mt76, struct mt7615_dev, mt76);
val = FIELD_PREP(MT_LED_STATUS_DURATION, 0xffff) |
FIELD_PREP(MT_LED_STATUS_OFF, delay_off) |
FIELD_PREP(MT_LED_STATUS_ON, delay_on);
addr = mt7615_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin));
mt76_wr(dev, addr, val);
addr = mt7615_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin));
mt76_wr(dev, addr, val);
val = MT_LED_CTRL_REPLAY(mt76->led_pin) |
MT_LED_CTRL_KICK(mt76->led_pin);
if (mt76->led_al)
val |= MT_LED_CTRL_POLARITY(mt76->led_pin);
addr = mt7615_reg_map(dev, MT_LED_CTRL);
mt76_wr(dev, addr, val);
}
static int
mt7615_led_set_blink(struct led_classdev *led_cdev,
unsigned long *delay_on,
unsigned long *delay_off)
{
u8 delta_on, delta_off;
delta_off = max_t(u8, *delay_off / 10, 1);
delta_on = max_t(u8, *delay_on / 10, 1);
mt7615_led_set_config(led_cdev, delta_on, delta_off);
return 0;
}
static void
mt7615_led_set_brightness(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
if (!brightness)
mt7615_led_set_config(led_cdev, 0, 0xff);
else
mt7615_led_set_config(led_cdev, 0xff, 0);
}
static void
mt7615_init_txpower(struct mt7615_dev *dev,
struct ieee80211_supported_band *sband)
@@ -402,6 +454,12 @@ int mt7615_register_device(struct mt7615_dev *dev)
mt7615_cap_dbdc_disable(dev);
dev->phy.dfs_state = -1;
/* init led callbacks */
if (IS_ENABLED(CONFIG_MT76_LEDS)) {
dev->mt76.led_cdev.brightness_set = mt7615_led_set_brightness;
dev->mt76.led_cdev.blink_set = mt7615_led_set_blink;
}
ret = mt76_register_device(&dev->mt76, true, mt7615_rates,
ARRAY_SIZE(mt7615_rates));
if (ret)

18
drivers/net/wireless/mediatek/mt76/mt7615/regs.h
View File

@@ -351,6 +351,24 @@
#define MT_TX_AGG_CNT(n) MT_WF_MIB(0xa8 + ((n) << 2))
#define MT_LED_BASE_PHYS 0x80024000
#define MT_LED_PHYS(_n) (MT_LED_BASE_PHYS + (_n))
#define MT_LED_CTRL MT_LED_PHYS(0x00)
#define MT_LED_CTRL_REPLAY(_n) BIT(0 + (8 * (_n)))
#define MT_LED_CTRL_POLARITY(_n) BIT(1 + (8 * (_n)))
#define MT_LED_CTRL_TX_BLINK_MODE(_n) BIT(2 + (8 * (_n)))
#define MT_LED_CTRL_TX_MANUAL_BLINK(_n) BIT(3 + (8 * (_n)))
#define MT_LED_CTRL_TX_OVER_BLINK(_n) BIT(5 + (8 * (_n)))
#define MT_LED_CTRL_KICK(_n) BIT(7 + (8 * (_n)))
#define MT_LED_STATUS_0(_n) MT_LED_PHYS(0x10 + ((_n) * 8))
#define MT_LED_STATUS_1(_n) MT_LED_PHYS(0x14 + ((_n) * 8))
#define MT_LED_STATUS_OFF GENMASK(31, 24)
#define MT_LED_STATUS_ON GENMASK(23, 16)
#define MT_LED_STATUS_DURATION GENMASK(15, 0)
#define MT_EFUSE_BASE 0x81070000
#define MT_EFUSE_BASE_CTRL 0x000
#define MT_EFUSE_BASE_CTRL_EMPTY BIT(30)