/* SPDX-License-Identifier: GPL-2.0 */
  // TI LMU Common Core

  // Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/

  
  #ifndef _TI_LMU_COMMON_H_
  #define _TI_LMU_COMMON_H_
  
  #include <linux/delay.h>
  #include <linux/device.h>
  #include <linux/init.h>
  #include <linux/leds.h>
  #include <linux/module.h>
  #include <linux/regmap.h>
  #include <linux/slab.h>
  #include <uapi/linux/uleds.h>
  
  #define LMU_11BIT_LSB_MASK	(BIT(0) | BIT(1) | BIT(2))
  #define LMU_11BIT_MSB_SHIFT	3
  
  #define MAX_BRIGHTNESS_8BIT	255
  #define MAX_BRIGHTNESS_11BIT	2047
  
  struct ti_lmu_bank {
  	struct regmap *regmap;
  
  	int max_brightness;
  
  	u8 lsb_brightness_reg;
  	u8 msb_brightness_reg;
  
  	u8 runtime_ramp_reg;
  	u32 ramp_up_usec;
  	u32 ramp_down_usec;
  };
  
  int ti_lmu_common_set_brightness(struct ti_lmu_bank *lmu_bank, int brightness);
  
  int ti_lmu_common_set_ramp(struct ti_lmu_bank *lmu_bank);
  
  int ti_lmu_common_get_ramp_params(struct device *dev,
  				  struct fwnode_handle *child,
  				  struct ti_lmu_bank *lmu_data);
  
  int ti_lmu_common_get_brt_res(struct device *dev, struct fwnode_handle *child,
  			      struct ti_lmu_bank *lmu_data);
  
  #endif /* _TI_LMU_COMMON_H_ */