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/* Copyright (c) 2013-2014, 2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that 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.
*/
#ifndef __QPNP_MISC_H
#define __QPNP_MISC_H
#include <linux/errno.h>
#ifdef CONFIG_QPNP_MISC
/**
* qpnp_misc_irqs_available - check if IRQs are available
*
* @consumer_dev: device struct
*
* This function returns true if the MISC interrupts are available
* based on a check in the MISC peripheral revision registers.
*
* Any consumer of this function needs to reference a MISC device phandle
* using the "qcom,misc-ref" property in their device tree node.
*/
int qpnp_misc_irqs_available(struct device *consumer_dev);
/**
* qpnp_misc_read_reg - read register from misc device
*
* @node: device node pointer
* @address: address offset in misc peripheral to be read
* @val: data read from register
*
* This function returns zero if reading the MISC register succeeds.
*
*/
int qpnp_misc_read_reg(struct device_node *node, u16 addr, u8 *val);
#else
static inline int qpnp_misc_irqs_available(struct device *consumer_dev)
{
return 0;
}
static inline int qpnp_misc_read_reg(struct device_node *node, u16 addr,
u8 *val)
{
return 0;
}
#endif
#endif
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