From: Lorenzo Bianconi <lorenzo@kernel.org>
To: nbd@nbd.name
Cc: linux-wireless@vger.kernel.org, lorenzo.bianconi@redhat.com,
ryder.lee@mediatek.com
Subject: [PATCH] mt76: mt7615: introduce LED support
Date: Wed, 11 Dec 2019 15:21:41 +0100 [thread overview]
Message-ID: <378747af00fdd3e64e9f5d7724f1b84759f95e8f.1576074028.git.lorenzo@kernel.org> (raw)
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>
---
.../net/wireless/mediatek/mt76/mt7615/init.c | 58 +++++++++++++++++++
.../net/wireless/mediatek/mt76/mt7615/regs.h | 27 +++++++++
2 files changed, 85 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
index eb7c6b9e3d4d..c25ba5fc3cdc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -196,6 +196,58 @@ 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 = MT_LED_STATUS_DURATION(0xffff) |
+ MT_LED_STATUS_OFF(delay_off) |
+ 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)
@@ -383,6 +435,12 @@ 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)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
index 26d121646787..3234ae0761b8 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
@@ -345,6 +345,33 @@
#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_MASK GENMASK(31, 24)
+#define MT_LED_STATUS_OFF(_v) (((_v) << \
+ __ffs(MT_LED_STATUS_OFF_MASK)) & \
+ MT_LED_STATUS_OFF_MASK)
+#define MT_LED_STATUS_ON_MASK GENMASK(23, 16)
+#define MT_LED_STATUS_ON(_v) (((_v) << \
+ __ffs(MT_LED_STATUS_ON_MASK)) & \
+ MT_LED_STATUS_ON_MASK)
+#define MT_LED_STATUS_DURATION_MASK GENMASK(15, 0)
+#define MT_LED_STATUS_DURATION(_v) (((_v) << \
+ __ffs(MT_LED_STATUS_DURATION_MASK)) &\
+ MT_LED_STATUS_DURATION_MASK)
+
#define MT_EFUSE_BASE 0x81070000
#define MT_EFUSE_BASE_CTRL 0x000
#define MT_EFUSE_BASE_CTRL_EMPTY BIT(30)
--
2.21.0
next reply other threads:[~2019-12-11 14:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-11 14:21 Lorenzo Bianconi [this message]
2019-12-13 21:51 ` [PATCH] mt76: mt7615: introduce LED support Felix Fietkau
2019-12-14 21:59 ` Lorenzo Bianconi
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