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/*
* Copyright (C) ST-Ericsson SA 2010
* License terms: GNU General Public License (GPL), version 2.
*/
#ifndef __ADP1653_H__
#define __ADP1653_H__
#include <linux/types.h>
#define ADP1653_ID (0) /*chip does not give any id :) so be it zero!*/
#define OUTPUT_SEL_REG (0x00)
#define CONFIG_TIMER_REG (0x01)
#define SW_STROBE_REG (0x02)
#define FAULT_STATUS_REG (0x03)
/* Fault codes, FALUT_STATUS_REG bits */
#define OVER_VOLTAGE_FAULT (0x01)
#define TIMEOUT_FAULT (0x02)
#define OVER_TEMPERATURE_FAULT (0x04)
#define SHORT_CIRCUIT_FAULT (0x08)
/*CONFIG_TIMER_REG bits*/
#define TIMER_ENABLE (0x10)
struct adp1653_priv_data{
struct i2c_client *i2c_client;
unsigned long curr_mode;
unsigned long enable_gpio;
unsigned long strobe_gpio;
unsigned long irq_no;
unsigned long status;
uint8_t fault;
uint8_t flash_intensity;
uint8_t flash_duration;
uint8_t torch_intensity;
uint8_t indicator_intensity;
};
/*Intensity current limits in Micro Amps*/
/* over 250mA flash current is reduced */
/* do not know why, neither really care about */
//#define FLASH_MAX_INTENSITY (500000) /*code - 31*/
#define FLASH_MAX_INTENSITY (250000)
#define FLASH_MIN_INTENSITY (215000) /*code - 12*/
#define TORCH_MAX_INTENSITY (200000) /*code - 11*/
#define TORCH_MIN_INTENSITY (50000) /*code - 1*/
#define ILED_MAX_INTENSITY (17500) /*Code - 7*/
#define ILED_MIN_INTENSITY (2500) /*code - 1*/
#define FLASH_MAX_STROBE_DURATION (820000) /*820 uSec*/
#define DURATION_USEC_TO_CODE(_code,_duration) do{ \
if(_duration > FLASH_MAX_STROBE_DURATION) \
_duration = FLASH_MAX_STROBE_DURATION; \
_code = (FLASH_MAX_STROBE_DURATION - _duration) / 54600;\
}while(0);
#define HPLED_UAMP_TO_CODE(_current) ((_current - 35000) / 15000)
#define FLASH_UAMP_TO_CODE(_code,_current){ \
if(_current > FLASH_MAX_INTENSITY) \
_current = FLASH_MAX_INTENSITY; \
if(_current < FLASH_MIN_INTENSITY) \
_current = FLASH_MIN_INTENSITY; \
_code = HPLED_UAMP_TO_CODE(_current); \
}while(0)
#define TORCH_UAMP_TO_CODE(_code,_current){ \
if(_current > TORCH_MAX_INTENSITY) \
_current = TORCH_MAX_INTENSITY; \
if(_current < TORCH_MIN_INTENSITY) \
_current = TORCH_MIN_INTENSITY; \
_code = HPLED_UAMP_TO_CODE(_current); \
}while(0)
#define ILED_UAMP_TO_CODE(_code,_current) do { \
if(_current > ILED_MAX_INTENSITY) \
_current = ILED_MAX_INTENSITY; \
_code = _current / ILED_MIN_INTENSITY; /* Min current: 2.5mA/2500uA*/ \
}while(0)
#endif
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