182 lines
4.8 KiB
C
Executable File
182 lines
4.8 KiB
C
Executable File
/*
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* leds-s2mu106.h - Flash-led driver for Samsung S2MU106
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*
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* Copyright (C) 2020 Samsung Electronics
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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*/
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#ifndef __LEDS_S2MU106_FLASH_H__
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#define __LEDS_S2MU106_FLASH_H__
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#include <linux/leds.h>
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#define MASK(width, shift) (((0x1 << (width)) - 1) << shift)
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#define FLED_EN 0
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#define S2MU106_CH_MAX 3
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#define S2MU106_FLASH_LIGHT_MAX 5
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/* Interrupt register */
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#define S2MU106_FLED_INT1 0x04
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#define S2MU106_FLED_INT2 0x05
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#define S2MU106_FLED_INT1_MASK 0x0B
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#define S2MU106_FLED_INT2_MASK 0x0C
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/* Status register */
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#define S2MU106_FLED_STATUS1 0x14
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#define S2MU106_FLED_STATUS2 0x15
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/* Mask for status register */
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#define S2MU106_CH1_FLASH_ON MASK(1,7)
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#define S2MU106_CH1_TORCH_ON MASK(1,6)
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#define S2MU106_CH2_FLASH_ON MASK(1,5)
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#define S2MU106_CH2_TORCH_ON MASK(1,4)
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#define S2MU106_CH3_FLASH_ON MASK(1,3)
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#define S2MU106_CH3_TORCH_ON MASK(1,2)
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#define S2MU106_FLED_ON_CHECK MASK(6,2)
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/* Channel control */
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#define S2MU106_FLED_CH1_CTRL0 0x53
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#define S2MU106_FLED_CH1_CTRL1 0x54
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#define S2MU106_FLED_CH1_CTRL2 0x55
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#define S2MU106_FLED_CH2_CTRL0 0x56
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#define S2MU106_FLED_CH2_CTRL1 0x57
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#define S2MU106_FLED_CH2_CTRL2 0x58
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#define S2MU106_FLED_CH3_CTRL0 0x59
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#define S2MU106_FLED_CH3_CTRL1 0x5A
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#define S2MU106_FLED_CH3_CTRL2 0x5B
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/* Mask for channel control register */
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#define S2MU106_CHX_OPEN_PROT_EN MASK(1,7)
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#define S2MU106_CHX_SHORT_PROT_EN MASK(1,6)
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#define S2MU106_CHX_FLASH_IOUT MASK(5,0)
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#define S2MU106_CHX_TORCH_TMR_MODE MASK(1,7)
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#define S2MU106_CHX_DIS_TORCH_TMR MASK(1,6)
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#define S2MU106_CHX_FLASH_TMR_MODE MASK(1,5)
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#define S2MU106_CHX_TORCH_IOUT MASK(5,0)
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#define S2MU106_CHX_FLASH_TMR_DUR MASK(4,4)
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#define S2MU106_CHX_TORCH_TMR_DUR MASK(4,0)
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/* Mode control */
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#define S2MU106_FLED_CTRL0 0x5C
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#define S2MU106_FLED_CTRL1 0x5D
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#define S2MU106_FLED_CTRL2 0x5E
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#define S2MU106_FLED_CTRL3 0x5F
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#define S2MU106_FLED_CTRL4 0x60
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#define S2MU106_FLED_CTRL5 0x61
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#define S2MU106_FLED_CTRL6 0x62
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#define S2MU106_FLED_CTRL7 0x63
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#define S2MU106_FLED_TEST3 0x66
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#define S2MU106_FLED_TEST4 0x67
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/* Mask for channel control register */
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#define S2MU106_CHX_FLASH_FLED_EN MASK(3,3)
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#define S2MU106_CHX_TORCH_FLED_EN MASK(3,0)
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#define S2MU106_EN_FLED_PRE MASK(1,5)
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#define S2MU106_FLED_EN 0x5
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#define S2MU106_FLED_GPIO_EN1 0x01
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#define S2MU106_FLED_GPIO_EN2 0x02
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#define S2MU106_FLED_GPIO_EN3 0x03
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#define S2MU106_FLED_GPIO_EN4 0x04
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/* Mask for Mode control register */
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#define S2MU106_FLED_MODE MASK(2,6)
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#define S2MU106_EN_FLED_PRE MASK(1,5)
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#define S2MU106_FLED_SOFT_ON_TIME MASK(3,1)
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#define S2MU106_FLED_REG_RESET MASK(1,0)
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#define S2MU106_CHX_FLASH_FLED_EN MASK(3,3)
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#define S2MU106_CHX_TORCH_FLED_EN MASK(3,0)
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#define S2MU106_FLED_ADAPTIVE_MODE_EN MASK(1,5)
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#define S2MU106_SET_BOOST_VOUT_FLASH MASK(5,0)
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#define S2MU106_READ_BOOST_VOUT_FLASH MASK(5,0)
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#define S2MU106_F2C_LC_IBAT MASK(6,0)
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#define S2MU106_F2C_SYS_MIN_REG MASK(3,0)
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/* FLED operating mode enable */
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enum operating_mode {
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AUTO_MODE = 0,
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BOOST_MODE,
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TA_MODE,
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SYS_MODE,
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};
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enum cam_flash_mode{
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CAM_FLASH_MODE_NONE=0,
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CAM_FLASH_MODE_OFF,
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CAM_FLASH_MODE_SINGLE,
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CAM_FLASH_MODE_TORCH,
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};
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enum s2mu106_fled_mode {
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S2MU106_FLED_MODE_OFF,
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S2MU106_FLED_MODE_TORCH,
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S2MU106_FLED_MODE_FLASH,
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S2MU106_FLED_MODE_MOVIE,
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S2MU106_FLED_MODE_FACTORY,
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S2MU106_FLED_MODE_MAX,
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};
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struct s2mu106_fled_chan {
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int id;
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u32 curr;
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u32 timer;
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u8 mode;
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};
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struct s2mu106_fled_platform_data {
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struct s2mu106_fled_chan *channel;
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int chan_num;
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int flash_gpio;
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int torch_gpio;
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u32 default_current;
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u32 max_current;
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u8 default_mode;
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u32 default_timer;
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unsigned int flash_current;
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unsigned int torch_current;
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unsigned int preflash_current;
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unsigned int movie_current;
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unsigned int factory_current;
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unsigned int flashlight_current[S2MU106_FLASH_LIGHT_MAX];
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};
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struct s2mu106_fled_data {
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struct s2mu106_fled_platform_data *pdata;
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struct s2mu106_fled_chan channel[S2MU106_CH_MAX];
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struct led_classdev cdev;
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struct device *dev;
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int set_on_factory;
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int flash_gpio;
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int torch_gpio;
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int sysfs_input_data;
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int control_mode; /* 0 : I2C, 1 : GPIO */
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/* charger mode control */
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bool is_en_flash;
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struct power_supply *psy_chg;
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struct i2c_client *i2c;
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struct mutex lock;
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u32 default_current;
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unsigned int flash_current;
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unsigned int torch_current;
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unsigned int preflash_current;
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unsigned int movie_current;
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unsigned int factory_current;
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unsigned int flashlight_current[S2MU106_FLASH_LIGHT_MAX];
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};
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int s2mu106_fled_set_mode_ctrl(int chan, enum cam_flash_mode cam_mode);
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int s2mu106_fled_set_curr(int chan, enum cam_flash_mode cam_mode, int curr);
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int s2mu106_fled_get_curr(int chan, enum cam_flash_mode cam_mode);
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int s2mu106_led_mode_ctrl(int state);
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void s2mu106_fled_set_operation_mode(int val);
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#endif
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