ltc3208.h

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/***************************************************************************/
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifndef __LTC3208_H__
#define __LTC3208_H__
 
#include "no_os_i2c.h"
#include "no_os_gpio.h"
#include "no_os_util.h"
 
/* ltc3208 register addresses */
#define LTC3208_REG_RED_GREEN               0x01
#define LTC3208_REG_BLUE_AUX                0x02
#define LTC3208_REG_MAIN                    0x03
#define LTC3208_REG_SUB                     0X04
#define LTC3208_REG_AUX_DAC_SEL             0x05
#define LTC3208_REG_CAM_HIGH_LOW            0x06
#define LTC3208_REG_OPTIONS                 0x07
 
#define LTC3208_8_BIT_MASK                  NO_OS_GENMASK(7,0)
#define LTC3208_4_BIT_HIGH_MASK             NO_OS_GENMASK(7,4)
#define LTC3208_4_BIT_LOW_MASK              NO_OS_GENMASK(3,0)
 
/* aux dac select register (0x05) */
#define LTC3208_AUX4_MASK                   NO_OS_GENMASK(7,6)
#define LTC3208_AUX3_MASK                   NO_OS_GENMASK(5,4)
#define LTC3208_AUX2_MASK                   NO_OS_GENMASK(3,2)
#define LTC3208_AUX1_MASK                   NO_OS_GENMASK(1,0)
 
/* options register (0x07) */
#define LTC3208_CPO_2X_BIT                  NO_OS_BIT(7)
#define LTC3208_CPO_1P5X_BIT                NO_OS_BIT(6)
#define LTC3208_TEST_HOOK_1_MASK            NO_OS_BIT(5)
#define LTC3208_TEST_HOOK_2_MASK            NO_OS_BIT(4)
#define LTC3208_DROPOUT_BIT                 NO_OS_BIT(3)
#define LTC3208_CAM_BIT                     NO_OS_BIT(2)
#define LTC3208_RGB_BIT                     NO_OS_BIT(1)
 
enum dac_options {
    AUX,
    MAIN,
    SUB,
    CAM
};
 
enum reg_options {
    GREEN_RED_REG,
    AUX_BLUE_REG,
    MAIN_REG,
    SUB_REG,
    CAM_REG
};
 
struct ltc3208_options_cfg {
    bool is_force_2x;
    bool is_force_1p5x;
    bool is_dropout_disable;
    bool is_cam_high;
    bool is_sub_enable;
};
 
struct ltc3208_dev {
    enum dac_options aux_dac[4];
    struct no_os_i2c_desc *i2c_desc;
    struct no_os_gpio_desc *gpio_enrgbs_desc;
    struct ltc3208_options_cfg options_cfg;
};
 
struct ltc3208_init_param {
    struct no_os_i2c_init_param i2c_init_param;
    struct no_os_gpio_init_param gpio_init_param;
};

int ltc3208_init(struct ltc3208_dev **device,
         struct ltc3208_init_param init_param);

int ltc3208_remove(struct ltc3208_dev *device);

int ltc3208_reg_write(struct ltc3208_dev *device, uint8_t reg_addr,
              uint8_t reg_data);

int ltc3208_reset(struct ltc3208_dev *device);

int ltc3208_set_8_bit_dac(struct ltc3208_dev *device,
              enum reg_options reg_selected,
              uint8_t current_level);

int ltc3208_set_4_bit_dac(struct ltc3208_dev *device,
              enum reg_options reg_selected,
              uint8_t current_level_high,
              uint8_t current_level_low);

int ltc3208_set_all_aux_led_dac(struct ltc3208_dev *device,
                enum dac_options aux_dac_1,
                enum dac_options aux_dac_2,
                enum dac_options aux_dac_3,
                enum dac_options aux_dac_4);
int ltc3208_set_aux_led_dac(struct ltc3208_dev *device,
                enum dac_options aux_dac,
                int aux_index);

int ltc3208_update_options(struct ltc3208_dev *device, bool is_force_2x,
               bool is_force_1p5x, bool is_dropout_disable,
               bool is_cam_high_enable, bool is_sub_enable);

int ltc3208_set_cpo_2x(struct ltc3208_dev *device, bool is_force_2x);

int ltc3208_set_1p5x(struct ltc3208_dev *device, bool is_force_1p5x);

int ltc3208_set_droupout_disable(struct ltc3208_dev *device,
                 bool is_dropout_disable);

int ltc3208_set_cam_high(struct ltc3208_dev *device, bool is_cam_high_enable);

int ltc3208_set_sub_enable(struct ltc3208_dev *device, bool is_sub_enable);
 
 
#endif  /*__LTC3208_H__*/
 
#ifdef __cplusplus
}
#endif