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/*
* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
* This program is distributed in the hope 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.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MAX77665_H__
#define __MAX77665_H__
#include <media/nvc_torch.h>
struct max77665_f_power_rail {
/* to enable the module power */
struct regulator *vbus;
/* to enable the host interface power */
struct regulator *vio;
/* to enable the power on i2c bus */
struct regulator *i2c;
};
struct max77665_f_led_config {
u16 color_setting;
u16 flash_torch_ratio; /* max flash to max torch ratio, in 1/1000 */
u16 granularity; /* 1, 10, 100, ... to carry float settings */
u16 flash_levels; /* calibrated flash levels < 32 */
/* this table contains the calibrated flash level - luminance pair */
struct nvc_torch_lumi_level_v1 *lumi_levels;
};
struct max77665_f_config {
u32 led_mask; /* led(s) enabled, 1/2/3 - left/right/both */
bool synchronized_led; /* if both leds enabled, consider as one. */
bool flash_on_torch; /* true=high level on the torch_en pin will
turn on flash */
u16 flash_mode; /* 1=one_shot_mode, flash is triggerred on the
rising edge of FLASHEN/TORCHEN/I2C_bit, and
terminated based on the flash safety timer
value.
0, 2=run for MAX timer, flash is triggerred
on the rising edge of FLASHEN/TORCHEN/I2C,
and terminated based on the falling edge of
FLASHEN/TORCHEN/I2C_bit and flash safety
timer value, whichever comes first.*/
u16 torch_trigger_mode; /* 0, 3=torch is triggered via i2c interface.
1=high level on the flash_en pin will turn
the torch on.
2=high level on the torch_en pin will turn
the torch on. */
u16 torch_mode; /* 1=torch safety timer disabled, torch is
controlled solely by the FLASHEN/TORCHEN/I2C.
2=one_shot_mode, torch is triggerred on the
rising edge of FLASHEN/TORCHEN/I2C_bit, and
terminated based on the torch safety timer
setting.
0, 3=run MAX timer, torch is triggerred on
the rising edge of FLASHEN/TORCHEN/I2C_bit,
and terminated based on the falling edge of
FLASHEN/TORCHEN/ I2C_bit and torch safety
timer setting, whichever comes first.*/
u16 adaptive_mode; /* 1=fix mode, 2=adaptive mode
The BYP starts from BOOST_VOUT_FLASH value.
Then increment by 100mV steps until there is
full programmed current across the LED(s).
Fixed mode otherwise: the BYP stays at
BOOST_VOUT_FLASH value */
u16 boost_vout_flash_mV; /* BOOST_VOUT_FLASH value */
/* LED configuration, two identical leds must be connected. */
u16 max_total_current_mA; /* Both leds' maximum peak current in mA */
u16 max_peak_current_mA; /* This led's maximum peak current in mA */
u16 max_torch_current_mA; /* This leds maximum torch current in mA */
u16 max_peak_duration_ms; /* the maximum duration max_peak_current_mA
can be applied */
u16 max_flash_threshold_mV; /* low battery detection threshold.
2400mV ~ 3400mV. */
u16 max_flash_hysteresis_mV; /* low battery detection hysteresis.
100mV ~ 300mV */
u16 max_flash_lbdly_f_uS; /* Low battery delay timer for falling edge
detection. Adjustable from 256uS to
2048uS in 256uS steps. */
u16 max_flash_lbdly_r_uS; /* Low battery delay timer for raising edge
detection. Adjustable from 256uS to
2048uS in 256uS steps. */
struct max77665_f_led_config led_config[2];
};
struct max77665_f_platform_data {
struct max77665_f_config config;
unsigned cfg; /* use the NVC_CFG_ defines */
unsigned num; /* see implementation notes in driver */
unsigned sync; /* see implementation notes in driver */
const char *dev_name; /* see implementation notes in driver */
struct nvc_torch_pin_state pinstate; /* see notes in driver */
unsigned gpio_strobe; /* GPIO connected to the ACT signal */
int (*poweron_callback)(struct max77665_f_power_rail *pw);
int (*poweroff_callback)(struct max77665_f_power_rail *pw);
};
#endif
/* __MAX77665_H__ */
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