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mt76: mt7915: add LED support

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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>
This commit is contained in:
MeiChia Chiu 2021-08-29 01:02:38 +08:00 committed by Felix Fietkau
parent 16bab11489
commit 0421bf8057
3 changed files with 89 additions and 2 deletions
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69
drivers/net/wireless/mediatek/mt76/mt7915/init.c
View File

@ -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)

3
drivers/net/wireless/mediatek/mt76/mt7915/mmio.c
View File

@ -92,8 +92,7 @@ static u32 __mt7915_reg_addr(struct mt7915_dev *dev, u32 addr)
}
if ((addr >= 0x18000000 && addr < 0x18c00000) ||
(addr >= 0x70000000 && addr < 0x78000000) ||
(addr >= 0x7c000000 && addr < 0x7c400000))
(addr >= 0x70000000 && addr < 0x78000000))
return mt7915_reg_map_l1(dev, addr);
return mt7915_reg_map_l2(dev, addr);

19
drivers/net/wireless/mediatek/mt76/mt7915/regs.h
View File

@ -57,6 +57,7 @@
#define MT_WF_TMAC(_band, ofs) (MT_WF_TMAC_BASE(_band) + (ofs))
#define MT_TMAC_TCR0(_band) MT_WF_TMAC(_band, 0)
#define MT_TMAC_TCR0_TX_BLINK GENMASK(7, 6)
#define MT_TMAC_TCR0_TBTT_STOP_CTRL BIT(25)
#define MT_TMAC_CDTR(_band) MT_WF_TMAC(_band, 0x090)
@ -423,6 +424,20 @@
#define MT_SWDEF_ICAP_MODE 1
#define MT_SWDEF_SPECTRUM_MODE 2
#define MT_LED_TOP_BASE 0x18013000
#define MT_LED_PHYS(_n) (MT_LED_TOP_BASE + (_n))
#define MT_LED_CTRL(_n) MT_LED_PHYS(0x00 + ((_n) * 4))
#define MT_LED_CTRL_KICK BIT(7)
#define MT_LED_CTRL_BLINK_MODE BIT(2)
#define MT_LED_CTRL_POLARITY BIT(1)
#define MT_LED_TX_BLINK(_n) MT_LED_PHYS(0x10 + ((_n) * 4))
#define MT_LED_TX_BLINK_ON_MASK GENMASK(7, 0)
#define MT_LED_TX_BLINK_OFF_MASK GENMASK(15, 8)
#define MT_LED_EN(_n) MT_LED_PHYS(0x40 + ((_n) * 4))
#define MT_TOP_BASE 0x18060000
#define MT_TOP(ofs) (MT_TOP_BASE + (ofs))
@ -433,6 +448,10 @@
#define MT_TOP_MISC MT_TOP(0xf0)
#define MT_TOP_MISC_FW_STATE GENMASK(2, 0)
#define MT_LED_GPIO_MUX2 0x70005058 /* GPIO 18 */
#define MT_LED_GPIO_MUX3 0x7000505C /* GPIO 26 */
#define MT_LED_GPIO_SEL_MASK GENMASK(11, 8)
#define MT_HW_BOUND 0x70010020
#define MT_HW_CHIPID 0x70010200
#define MT_HW_REV 0x70010204