include/amlogic/aml_ldim.h

/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
/*
 * include/amlogic/aml_ldim.h
 *
 * Copyright (C) 2020 Amlogic, Inc. All rights reserved.
 *
 */

#ifndef INC_AML_BL_LDIM_H
#define INC_AML_BL_LDIM_H

#include <common.h>
#include <linux/list.h>
#include <amlogic/aml_lcd.h>
#include <spi.h>

enum ldim_dev_type_e {
	LDIM_DEV_TYPE_NORMAL = 0,
	LDIM_DEV_TYPE_SPI,
	LDIM_DEV_TYPE_I2C,
	LDIM_DEV_TYPE_MAX,
};

#define LDIM_INIT_ON_MAX     300
#define LDIM_INIT_OFF_MAX    20

struct ldim_config_s {
	unsigned char row;
	unsigned char col;
};

struct ldim_dev_config_s {
	char name[20];
	char pinmux_name[20];
	unsigned char type;
	int cs_hold_delay;
	int cs_clk_delay;
	int en_gpio;
	int en_gpio_on;
	int en_gpio_off;
	int lamp_err_gpio;
	unsigned char fault_check;
	unsigned char write_check;

	unsigned int dim_min;
	unsigned int dim_max;

	unsigned char init_loaded;
	unsigned char cmd_size;
	unsigned char *init_on;
	unsigned char *init_off;
	unsigned int init_on_cnt;
	unsigned int init_off_cnt;

	unsigned char pinctrl_ver;
	struct lcd_pinmux_ctrl_s *ldim_pinmux;
	struct bl_pwm_config_s ldim_pwm_config;
	struct bl_pwm_config_s analog_pwm_config;
	void (*dim_range_update)(void);

	char gpio_name[BL_GPIO_NUM_MAX][LCD_CPU_GPIO_NAME_MAX];

	unsigned short bl_regnum;
};

#define LDIM_SPI_NAME_MAX    30
struct ldim_spi_dev_info_s {
	char modalias[20];
	char spi_name[LDIM_SPI_NAME_MAX];
	int mode;
	int max_speed_hz;
	int bus_num;
	int chip_select;
	int wordlen;

	struct spi_slave *spi;
};

/*******global API******/
struct aml_ldim_driver_s {
	int valid_flag;
	int dev_index;
	struct ldim_config_s *ldim_conf;
	struct ldim_dev_config_s *ldev_conf;
	unsigned short *ldim_matrix_buf;
	int (*power_on)(void);
	int (*power_off)(void);
	int (*set_level)(unsigned int level);
	void (*config_print)(void);
	int (*pinmux_ctrl)(int status);
	void (*device_config_print)(void);
	int (*device_power_on)(void);
	int (*device_power_off)(void);
	int (*device_bri_update)(unsigned short *buf, unsigned char len);
	struct ldim_spi_dev_info_s *spi_info;
};

extern struct ldim_dev_config_s ldim_config_dft;

extern struct aml_ldim_driver_s *aml_ldim_get_driver(void);
extern int aml_ldim_probe(char *dt_addr, int flag); /* flag: 0=dts, 1=bsp, 2=unifykey */

#endif /* INC_AML_BL_LDIM_H */