2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
101 lines
2.4 KiB
C
101 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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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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#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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