diff options
Diffstat (limited to 'include/linux/leds/rt5033_fled.h')
| -rw-r--r-- | include/linux/leds/rt5033_fled.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/include/linux/leds/rt5033_fled.h b/include/linux/leds/rt5033_fled.h new file mode 100644 index 00000000..eb34440e --- /dev/null +++ b/include/linux/leds/rt5033_fled.h @@ -0,0 +1,79 @@ +/* include/linux/leds/rt5033_fled.h + * Header of Richtek RT5033 Flash LED Driver + * + * Copyright (C) 2013 Richtek Technology Corp. + * Author: Patrick Chang <patrick_chang@richtek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + */ + +#ifndef LINUX_LEDS_RT5033_FLED_H +#define LINUX_LEDS_RT5033_FLED_H +#include <linux/kernel.h> +#include "rtfled.h" + + +#define RT5033_STROBE_CURRENT(mA) (((mA - 50) / 25) & 0x1f) +#define RT5033_TIMEOUT_LEVEL(mA) (((mA - 50) / 25) & 0x07) +#define RT5033_STROBE_TIMEOUT(ms) (((ms - 64) / 32) & 0x3f) +#define RT5033_TORCH_CURRENT(mA) (((mA * 10 - 125) / 125) & 0x0f) +#define RT5033_LV_PROTECTION(mV) (((mV - 3000) / 100) & 0x07) +#define RT5033_MID_REGULATION_LEVEL(mV) (((mV - 3625) / 25) & 0x3f) + +typedef struct rt5033_fled_platform_data { + unsigned int fled1_en : 1; + unsigned int fled2_en : 1; + unsigned int fled_mid_track_alive : 1; + unsigned int fled_mid_auto_track_en : 1; + unsigned int fled_timeout_current_level; + unsigned int fled_strobe_current; + unsigned int fled_strobe_timeout; + unsigned int fled_torch_current; + unsigned int fled_lv_protection; + unsigned int fled_mid_level; +} rt5033_fled_platform_data_t; + +#define RT5033_FLED_RESET 0x21 + +#define RT5033_FLED_FUNCTION1 0x21 +#define RT5033_FLED_FUNCTION2 0x22 +#define RT5033_FLED_STROBE_CONTROL1 0x23 +#define RT5033_FLED_STROBE_CONTROL2 0x24 +#define RT5033_FLED_CONTROL1 0x25 +#define RT5033_FLED_CONTROL2 0x26 +#define RT5033_FLED_CONTROL3 0x27 +#define RT5033_FLED_CONTROL4 0x28 +#define RT5033_FLED_CONTROL5 0x29 + +#define RT5033_CHG_FLED_CTRL 0x67 + +extern int32_t rt5033_charger_notification(struct rt_fled_info *info, int32_t attach); +extern int32_t rt5033_boost_notification(struct rt_fled_info *info, int32_t on); +extern void rt5033_fled_lock(struct rt_fled_info *fled_info); +extern void rt5033_fled_unlock(struct rt_fled_info *fled_info); + +#ifdef CONFIG_FLED_RT5033_EXT_GPIO +/* If you are using external GPIO to control torch and flash led, + * you must call rt5033_fled_srobe_critial_section_lock() for camera shot, + * and call rt5033_fled_srobe_critial_section_unlock() after camera mode. + * example code : + * struct camera_chip* chip; + * if (chip->fled_info == NULL) + * chip->fled_info = rt_fled_get_info_by_name(NULL); + * if (chip->fled_info) + * rt5033_fled_srobe_critial_section_lock(chip->fled_info); + * ... + * ... camera opertion + * ... + * ... when finished camera operation + * if (chip->fled_info) + * rt5033_fled_srobe_critial_section_unlock(chip->fled_info); + */ +extern void rt5033_fled_strobe_critial_section_lock(struct rt_fled_info *fled_info); +extern void rt5033_fled_strobe_critial_section_unlock(struct rt_fled_info *fled_info);
extern int32_t rt5033_fled_enable(struct rt_fled_info *fled_info, int enable); +#endif /* CONFIG_FLED_RT5033_EXT_GPIO */ + +#endif /* LINUX_LEDS_RT5033_FLED_H */ |