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https://github.com/hardkernel/kernel_common_drivers.git
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junyi.zhao
82e39409d1
PD#SWPL-91800 Problem: there is no ledIc driver Solution: porting driver Verify: s4 ah212 Signed-off-by: junyi.zhao <junyi.zhao@amlogic.com> Change-Id: Id7e22d21b3378c56bdf2d0f00e55083f0830d94b
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#ifndef __LEDS_STATE_H
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#define __LEDS_STATE_H
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#include <linux/err.h>
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#include <linux/mutex.h>
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#include <linux/of.h>
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#define DRIVER_NAME "[Led State]"
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#define MESON_LEDS_SCPI_CNT 50
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#define MESON_LEDS_MAX_BLINK_CNT 15
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#define MESON_LEDS_BREATH_MAX_COUNT 4
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/* Limit on stick mem */
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//#define LED_MAX_TIMES_CNT 255
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#define MESON_LEDS_MAX_TIMES_CNT 0x3F
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#define MESON_LEDS_MAX_HIGH_MS (50 * MESON_LEDS_MAX_TIMES_CNT)
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#define MESON_LEDS_MAX_LOW_MS (50 * MESON_LEDS_MAX_TIMES_CNT)
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enum led_state_t {
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LED_STATE_DEFAULT = 0,
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LED_STATE_BRIGHTNESS,
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LED_STATE_BREATH,
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LED_STATE_BLINK_ON,
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LED_STATE_BLINK_OFF,
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LED_STATE_BLINK_BREATH,
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LED_STATE_BLINK_ON_HANDLE,
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LED_STATE_BLINK_OFF_HANDLE,
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LED_STATE_BLINK_BREATH_HANDLE,
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LED_STATE_INVALID,
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};
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enum LedBrightness {
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LED_STATE_OFF = 0,
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LED_STATE_HALF = 127,
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LED_STATE_FULL = 255,
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};
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struct led_state_data {
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struct led_classdev cdev;
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};
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/* leds state APIs */
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int meson_led_state_set_brightness(u32 led_id, u32 brightness);
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int meson_led_state_set_breath(u32 led_id, u32 breath_id);
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int meson_led_state_set_blink_on(u32 led_id, u32 blink_times,
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u32 blink_high, u32 blink_low,
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u32 brightness_high,
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u32 brightness_low);
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int meson_led_state_set_blink_off(u32 led_id, u32 blink_times,
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u32 blink_high, u32 blink_low,
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u32 brightness_high,
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u32 brightness_low);
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#endif /* __LEDS_STATE_H */
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