105 строки
2.6 KiB
C
105 строки
2.6 KiB
C
/*
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* lm3533.h -- LM3533 interface
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*
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* Copyright (C) 2011-2012 Texas Instruments
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*
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* Author: Johan Hovold <jhovold@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef __LINUX_MFD_LM3533_H
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#define __LINUX_MFD_LM3533_H
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#define LM3533_ATTR_RO(_name) \
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DEVICE_ATTR(_name, S_IRUGO, show_##_name, NULL)
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#define LM3533_ATTR_RW(_name) \
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DEVICE_ATTR(_name, S_IRUGO | S_IWUSR , show_##_name, store_##_name)
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struct device;
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struct regmap;
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struct lm3533 {
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struct device *dev;
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struct regmap *regmap;
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int gpio_hwen;
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int irq;
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unsigned have_als:1;
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unsigned have_backlights:1;
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unsigned have_leds:1;
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};
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struct lm3533_ctrlbank {
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struct lm3533 *lm3533;
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struct device *dev;
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int id;
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};
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struct lm3533_als_platform_data {
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unsigned pwm_mode:1; /* PWM input mode (default analog) */
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u8 r_select; /* 1 - 127 (ignored in PWM-mode) */
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};
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struct lm3533_bl_platform_data {
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char *name;
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u16 max_current; /* 5000 - 29800 uA (800 uA step) */
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u8 default_brightness; /* 0 - 255 */
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u8 pwm; /* 0 - 0x3f */
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};
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struct lm3533_led_platform_data {
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char *name;
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const char *default_trigger;
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u16 max_current; /* 5000 - 29800 uA (800 uA step) */
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u8 pwm; /* 0 - 0x3f */
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};
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enum lm3533_boost_freq {
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LM3533_BOOST_FREQ_500KHZ,
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LM3533_BOOST_FREQ_1000KHZ,
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};
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enum lm3533_boost_ovp {
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LM3533_BOOST_OVP_16V,
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LM3533_BOOST_OVP_24V,
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LM3533_BOOST_OVP_32V,
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LM3533_BOOST_OVP_40V,
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};
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struct lm3533_platform_data {
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int gpio_hwen;
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enum lm3533_boost_ovp boost_ovp;
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enum lm3533_boost_freq boost_freq;
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struct lm3533_als_platform_data *als;
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struct lm3533_bl_platform_data *backlights;
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int num_backlights;
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struct lm3533_led_platform_data *leds;
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int num_leds;
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};
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extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb);
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extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb);
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extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val);
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extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val);
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extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb,
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u16 imax);
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extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val);
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extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val);
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extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val);
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extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val);
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extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask);
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#endif /* __LINUX_MFD_LM3533_H */
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