| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * |
| * Copyright (C) 2019 Amlogic, Inc. All rights reserved. |
| * |
| */ |
| #ifndef __AML_BL_DRV_H__ |
| #define __AML_BL_DRV_H__ |
| #include <linux/amlogic/media/vout/lcd/aml_bl.h> |
| |
| static inline unsigned int bl_do_div(unsigned long long num, unsigned int den) |
| { |
| unsigned long long val = num; |
| |
| do_div(val, den); |
| |
| return (unsigned int)val; |
| } |
| |
| int bl_pwm_init_config_probe(struct bl_data_s *bdata); |
| enum bl_pwm_port_e bl_pwm_str_to_num(const char *str); |
| char *bl_pwm_num_to_str(unsigned int num); |
| void bl_pwm_ctrl(struct bl_pwm_config_s *bl_pwm, int status); |
| void bl_pwm_set_duty(struct aml_bl_drv_s *bdrv, struct bl_pwm_config_s *bl_pwm); |
| void bl_pwm_set_level(struct aml_bl_drv_s *bdrv, |
| struct bl_pwm_config_s *bl_pwm, unsigned int level); |
| void bl_pwm_config_init(struct bl_pwm_config_s *bl_pwm); |
| int bl_pwm_channel_register(struct device *dev, phandle pwm_phandle, |
| struct bl_pwm_config_s *bl_pwm); |
| |
| #endif |
