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#ifndef __GP2A_H__
#define __GP2A_H__
#define I2C_M_WR 0 /* for i2c Write */
#define I2c_M_RD 1 /* for i2c Read */
#define I2C_DF_NOTIFY 0x01 /* for i2c */
/* Registers */
#define COMMAND1 0x00
#define COMMAND2 0x01 /* Read&Write */
#define COMMAND3 0x02 /* Read&Write */
#define COMMAND4 0x03 /* Read&Write */
#define INT_LT_LSB 0x04 /* Read&Write */
#define INT_LT_MSB 0x05 /* Read&Write */
#define INT_HT_LSB 0x06 /* Read&Write */
#define INT_HT_MSB 0x07 /* Read&Write */
#define PS_LT_LSB 0x08 /* Read&Write */
#define PS_LT_MSB 0x09 /* Read&Write */
#define PS_HT_LSB 0x0A /* Read&Write */
#define PS_HT_MSB 0x0B /* Read&Write */
#define DATA0_LSB 0x0C /* Read Only */
#define DATA0_MSB 0x0D /* Read Only */
#define DATA1_LSB 0x0E /* Read Only */
#define DATA1_MSB 0x0F /* Read Only */
#define DATA2_LSB 0x10 /* Read Only */
#define DATA2_MSB 0x11 /* Read Only */
#define ADC_BUFFER_NUM 6
/* 16 level for premium model*/
enum {
LIGHT_DIM = 0,
LIGHT_LEVEL1 = 1,
LIGHT_LEVEL2 = 2,
LIGHT_LEVEL3 = 3,
LIGHT_LEVEL4 = 4,
LIGHT_LEVEL5 = 5,
LIGHT_LEVEL6 = 6,
LIGHT_LEVEL7 = 7,
LIGHT_LEVEL8 = 8,
LIGHT_LEVEL9 = 9,
LIGHT_LEVEL10 = 10,
LIGHT_LEVEL11 = 11,
LIGHT_LEVEL12 = 12,
LIGHT_LEVEL13 = 13,
LIGHT_LEVEL14 = 14,
LIGHT_LEVEL15 = 15,
LIGHT_LEVEL16 = 16,
LIGHT_INIT = 17,
};
/* extern variables */
extern u8 lightsensor_mode; /* 0 = low, 1 = high */
extern int proximity_enable;
extern char proximity_sensor_detection;
/* prototype */
int opt_i2c_read(u8 reg, unsigned char *rbuf, int len);
int opt_i2c_write(u8 reg, u8 *val);
int lightsensor_get_adcvalue(void);
int is_gp2a030a(void);
struct gp2a_platform_data {
int (*gp2a_led_on) (bool);
int p_out; /* proximity-sensor-output gpio */
unsigned long (*gp2a_get_threshold)(void);
};
#endif
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