diff options
| author | MeiChia Chiu <meichia.chiu@mediatek.com> | 2021-08-29 01:02:38 +0800 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2021-10-20 10:36:36 +0200 |
| commit | 0421bf80579b5d17e2b9c892a33617337679839b (patch) | |
| tree | 713aedd9430550db60f308fd2768f8f4aade020e /drivers/net/wireless/mediatek/mt76/mt7915/init.c | |
| parent | 16bab114895ea574de8432a0e5f838af037b66ba (diff) | |
mt76: mt7915: add LED support
Initialize brightness_set and blink_set callbacks to enable LED support.
The base 0x7c000000 is MCU space so driver can't touch it, and should
map the LED base to 0x18000000 host's view.
Signed-off-by: MeiChia Chiu <meichia.chiu@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
Signed-off-by: Money Wang <money.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt7915/init.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7915/init.c | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c index a5b871efa971..311369c7e9c2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c @@ -187,6 +187,64 @@ static int mt7915_thermal_init(struct mt7915_phy *phy) return 0; } +static void mt7915_led_set_config(struct led_classdev *led_cdev, + u8 delay_on, u8 delay_off) +{ + struct mt7915_dev *dev; + struct mt76_dev *mt76; + u32 val; + + mt76 = container_of(led_cdev, struct mt76_dev, led_cdev); + dev = container_of(mt76, struct mt7915_dev, mt76); + + /* select TX blink mode, 2: only data frames */ + mt76_rmw_field(dev, MT_TMAC_TCR0(0), MT_TMAC_TCR0_TX_BLINK, 2); + + /* enable LED */ + mt76_wr(dev, MT_LED_EN(0), 1); + + /* set LED Tx blink on/off time */ + val = FIELD_PREP(MT_LED_TX_BLINK_ON_MASK, delay_on) | + FIELD_PREP(MT_LED_TX_BLINK_OFF_MASK, delay_off); + mt76_wr(dev, MT_LED_TX_BLINK(0), val); + + /* control LED */ + val = MT_LED_CTRL_BLINK_MODE | MT_LED_CTRL_KICK; + if (dev->mt76.led_al) + val |= MT_LED_CTRL_POLARITY; + + mt76_wr(dev, MT_LED_CTRL(0), val); + mt76_clear(dev, MT_LED_CTRL(0), MT_LED_CTRL_KICK); +} + +static int mt7915_led_set_blink(struct led_classdev *led_cdev, + unsigned long *delay_on, + unsigned long *delay_off) +{ + u16 delta_on = 0, delta_off = 0; + +#define HW_TICK 10 +#define TO_HW_TICK(_t) (((_t) > HW_TICK) ? ((_t) / HW_TICK) : HW_TICK) + + if (*delay_on) + delta_on = TO_HW_TICK(*delay_on); + if (*delay_off) + delta_off = TO_HW_TICK(*delay_off); + + mt7915_led_set_config(led_cdev, delta_on, delta_off); + + return 0; +} + +static void mt7915_led_set_brightness(struct led_classdev *led_cdev, + enum led_brightness brightness) +{ + if (!brightness) + mt7915_led_set_config(led_cdev, 0, 0xff); + else + mt7915_led_set_config(led_cdev, 0xff, 0); +} + static void mt7915_init_txpower(struct mt7915_dev *dev, struct ieee80211_supported_band *sband) @@ -341,6 +399,11 @@ static void mt7915_mac_init(struct mt7915_dev *dev) MT_WTBL_UPDATE_ADM_COUNT_CLEAR); for (i = 0; i < 2; i++) mt7915_mac_init_band(dev, i); + + if (IS_ENABLED(CONFIG_MT76_LEDS)) { + i = dev->mt76.led_pin ? MT_LED_GPIO_MUX3 : MT_LED_GPIO_MUX2; + mt76_rmw_field(dev, i, MT_LED_GPIO_SEL_MASK, 4); + } } static int mt7915_txbf_init(struct mt7915_dev *dev) @@ -855,6 +918,12 @@ int mt7915_register_device(struct mt7915_dev *dev) dev->mt76.test_ops = &mt7915_testmode_ops; #endif + /* init led callbacks */ + if (IS_ENABLED(CONFIG_MT76_LEDS)) { + dev->mt76.led_cdev.brightness_set = mt7915_led_set_brightness; + dev->mt76.led_cdev.blink_set = mt7915_led_set_blink; + } + ret = mt76_register_device(&dev->mt76, true, mt76_rates, ARRAY_SIZE(mt76_rates)); if (ret) |