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/*
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
/*
* Definitions for rpr410 als/ps sensor chip.
*/
#ifndef __RPR410_H__
#define __RPR410_H__
#include <linux/ioctl.h>
#define RPR410_SUCCESS 0
#define RPR410_ERR_I2C -1
#define RPR410_ERR_STATUS -3
#define RPR410_ERR_SETUP_FAILURE -4
#define RPR410_ERR_GETGSENSORDATA -5
#define RPR410_ERR_IDENTIFICATION -6
#define RPR410_CHECKID_FAIL -7
/*******************************general definitions *******************************/
#define RPR410_DRIVER_VER ("1.0.0")
#define CALC_ERROR (0x80000000)
#define SM_TIME_UNIT (1000)
#define MN_TIME_UNIT (1000000)
#define MASK_CHAR (0xFF)
#define CLR_LOW2BIT (0xFC)
#define CLR_LOW4BIT (0xF0)
#define UNRELATEDNESS (0xFF)
#define IRQ_NON_USE (0)
#define IRQ_USE (1)
#define LIGHT_SENSOR (1)
#define PROX_SENSOR (2)
#define MASK_LONG (0xFFFFFFFF)
/************ definition parameter for als calculation ************/
#define COEFFICIENT (4)
const unsigned long data0_coefficient[COEFFICIENT] = {192, 141, 127, 117};
const unsigned long data1_coefficient[COEFFICIENT] = {316, 108, 86, 74};
const unsigned long judge_coefficient[COEFFICIENT] = { 29, 65, 85, 158};
/************ define register for IC ************/
/* RPR410 REGSTER */
#define REG_SYSTEMCONTROL (0x40)
#define REG_MODECONTROL (0x41)
#define REG_ALSPSCONTROL (0x42)
#define REG_PERSISTENCE (0x43)
#define REG_PSDATA_LSB (0x44)
#define REG_PSDATA_MBS (0x45)
#define REG_ALSDATA0_LSB (0x46)
#define REG_ALSDATA0_MBS (0x47)
#define REG_ALSDATA1_LSB (0x48)
#define REG_ALSDATA1_MBS (0x49)
#define REG_INTERRUPT (0x4A)
#define REG_PSTH_LSB (0x4B)
#define REG_PSTH_MBS (0x4C)
#define REG_PSTL_LSB (0x4D)
#define REG_PSTL_MBS (0x4E)
#define REG_ALSDATA0TH_LSB (0x4F)
#define REG_ALSDATA0TH_MBS (0x50)
#define REG_ALSDATA0TL_LSB (0x51)
#define REG_ALSDATA0TL_MBS (0x52)
#define GEN_READ_MAX (19)
/************ define parameter for register ************/
/* REG_SYSTEMCONTROL(0x40) */
#define REG_SW_NOTRESET (0 << 7)
#define REG_SW_RESET (1 << 7)
#define REG_INT_NOTRESET (0 << 6)
#define REG_INT_RESET (1 << 6)
/* REG_MODECONTROL(0x41) */
#define NORMAL_MODE (0 << 4)
#define LOW_NOISE_MODE (1 << 4)
#define PWRON_STANDBY (0)
#define PWRON_ONLY_PS (3)
#define PWRON_ONLY_ALS (5)
#define PWRON_PS_ALS (6)
#define MEASUREMENT_MAX (0xB)
/* REG_ALSPSCONTROL(0x42) */
#define LEDCURRENT_025MA (0)
#define LEDCURRENT_050MA (1)
#define LEDCURRENT_100MA (2)
#define LEDCURRENT_200MA (3)
#define ALSGAIN_X1X1 (0x0 << 2)
#define ALSGAIN_X1X2 (0x1 << 2)
#define ALSGAIN_X2X2 (0x5 << 2)
#define ALSGAIN_X64X64 (0xA << 2)
#define ALSGAIN_X128X64 (0xE << 2)
#define ALSGAIN_X128X128 (0xF << 2)
#define REG_ALSPSCTL_MAX (0x3F)
/* REG_PERSIST(0x43) */
#define PERSISTENCE_MAX (0x0F)
/* REG_INTERRUPT(0x4A) */
#define PS_INT_MASK (1 << 7)
#define ALS_INT_MASK (1 << 6)
#define PS_THH_ONLY (0 << 4)
#define PS_THH_BOTH_HYS (1 << 4)
#define PS_THH_BOTH_OUTSIDE (2 << 4)
#define POLA_ACTIVEL (0 << 3)
#define POLA_INACTIVEL (1 << 3)
#define OUTPUT_ANYTIME (0 << 2)
#define OUTPUT_LATCH (1 << 2)
#define MODE_NONUSE (0)
#define MODE_PROXIMITY (1)
#define MODE_ILLUMINANCE (2)
#define MODE_BOTH (3)
#define REG_INTERRUPT_MAX (0x2F)
/* moved mode of ALS or PS */
#define CTL_STANDBY (0)
#define CTL_STANDALONE (1)
/************ define parameter for init ************/
#define PS_ALS_SET_MODE_CONTROL (NORMAL_MODE) //(LOW_NOISE_MODE) //(NORMAL_MODE)
#define PS_ALS_SET_ALSPS_CONTROL (LEDCURRENT_050MA | ALSGAIN_X2X2) //(LEDCURRENT_200MA | ALSGAIN_X128X128) //LEDCURRENT_200MA ALSGAIN_X1X1
#define PS_ALS_SET_INTR_PERSIST (2) //(3)
#define PS_ALS_SET_INTR (PS_THH_BOTH_OUTSIDE | POLA_ACTIVEL | OUTPUT_LATCH | MODE_PROXIMITY)
#define PS_ALS_SET_PS_TH (90) //(50)
#define PS_ALS_SET_PS_TL (35)
#define PS_ALS_SET_ALS_TH (2000) //Compare with ALS_DATA0. ALS_Data equals 0.192*ALS_DATA0 roughly.
#define PS_ALS_SET_ALS_TL (0x0000)
#define PS_ALS_SET_MIN_DELAY_TIME (125)
#define MODE_CTL_FACTOR (16)
static const struct MCTL_TABLE {
short ALS;
short PS;
}MCTL_TABLE[MODE_CTL_FACTOR] = {
{ 0, 0}, /* 0 */
{ 0, 10}, /* 1 */
{ 0, 40}, /* 2 */
{ 0, 100}, /* 3 */
{ 0, 400}, /* 4 */
{100, 0}, /* 5 */
{100, 100}, /* 6 */
{100, 400}, /* 7 */
{400, 0}, /* 8 */
{400, 100}, /* 9 */
{400, 0}, /* 10 */
{400, 400}, /* 11 */
{ 0, 0}, /* 12 */
{ 0, 0}, /* 13 */
{ 0, 0}, /* 14 */
{ 0, 0} /* 15 */
};
/* gain table */
#define GAIN_FACTOR (16)
static const struct GAIN_TABLE {
char DATA0;
char DATA1;
} GAIN_TABLE[GAIN_FACTOR] = {
{ 1, 1}, /* 0 */
{ 2, 1}, /* 1 */
{ 0, 0}, /* 2 */
{ 0, 0}, /* 3 */
{ 0, 0}, /* 4 */
{ 2, 2}, /* 5 */
{ 0, 0}, /* 6 */
{ 0, 0}, /* 7 */
{ 0, 0}, /* 8 */
{ 0, 0}, /* 9 */
{ 64, 64}, /* 10 */
{ 0, 0}, /* 11 */
{ 0, 0}, /* 12 */
{ 0, 0}, /* 13 */
{128, 64}, /* 14 */
{128, 128} /* 15 */
};
/* structure to read data value from sensor */
typedef struct {
unsigned short als_data0; /* data value of ALS data0 from sensor */
unsigned short als_data1; /* data value of ALS data1 from sensor */
} READ_DATA_BUF;
typedef struct {
unsigned char time;
unsigned char gain;
unsigned char led_current;
} DEVICE_VAL;
typedef struct {
unsigned char als_state; /* state value of ALS from sensor */
unsigned char ps_state; /* state value of PS from sensor */
} PWR_ST;
#endif
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