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/* Copyright (c) 2012-2013, 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 QPNPINT_H
#define QPNPINT_H
#include <linux/spmi.h>
struct qpnp_irq_spec {
uint8_t slave; /* 0-15 */
uint8_t per; /* 0-255 */
uint8_t irq; /* 0-7 */
};
struct qpnp_local_int {
/* mask - Invoke PMIC Arbiter local mask handler */
int (*mask)(struct spmi_controller *spmi_ctrl,
struct qpnp_irq_spec *spec,
uint32_t priv_d);
/* unmask - Invoke PMIC Arbiter local unmask handler */
int (*unmask)(struct spmi_controller *spmi_ctrl,
struct qpnp_irq_spec *spec,
uint32_t priv_d);
/* register_priv_data - Return per irq priv data */
int (*register_priv_data)(struct spmi_controller *spmi_ctrl,
struct qpnp_irq_spec *spec,
uint32_t *priv_d);
};
#ifdef CONFIG_MSM_QPNP_INT
/**
* qpnpint_of_init() - Device Tree irq initialization
*
* Standard Device Tree init routine to be called from
* of_irq_init().
*/
int __init qpnpint_of_init(struct device_node *node,
struct device_node *parent);
/**
* qpnpint_register_controller() - Register local interrupt callbacks
*
* Used by the PMIC Arbiter driver or equivalent to register
* callbacks for interrupt events.
*/
int qpnpint_register_controller(struct device_node *node,
struct spmi_controller *ctrl,
struct qpnp_local_int *li_cb);
/**
* qpnpint_unregister_controller() - Unregister local interrupt callbacks
*
* Used by the PMIC Arbiter driver or equivalent to unregister
* callbacks for interrupt events.
*/
int qpnpint_unregister_controller(struct device_node *node);
/**
* qpnpint_handle_irq - Main interrupt handling routine
*
* Pass a PMIC Arbiter interrupt to Linux.
*/
int qpnpint_handle_irq(struct spmi_controller *spmi_ctrl,
struct qpnp_irq_spec *spec);
/**
* qpnpint_show_irq - Prints the Linux interrupt number
*
* Pass a PMIC Arbiter interrupt to Linux.
*/
int qpnpint_show_irq(struct spmi_controller *spmi_ctrl,
struct qpnp_irq_spec *spec);
#ifdef CONFIG_MSM_SHOW_RESUME_IRQ
extern int msm_show_resume_irq_mask;
static inline bool qpnpint_show_resume_irq(void)
{
return msm_show_resume_irq_mask;
}
#else
static inline bool qpnpint_show_resume_irq(void)
{
return false;
}
#endif
#else
static inline int __init qpnpint_of_init(struct device_node *node,
struct device_node *parent)
{
return -ENXIO;
}
static inline int qpnpint_register_controller(struct device_node *node,
struct spmi_controller *ctrl,
struct qpnp_local_int *li_cb)
{
return -ENXIO;
}
static inline int qpnpint_unregister_controller(struct device_node *node)
{
return -ENXIO;
}
static inline int qpnpint_handle_irq(struct spmi_controller *spmi_ctrl,
struct qpnp_irq_spec *spec)
{
return -ENXIO;
}
int qpnpint_show_irq(struct spmi_controller *spmi_ctrl,
struct qpnp_irq_spec *spec)
{
return -ENXIO;
}
static inline bool qpnpint_show_resume_irq(void)
{
return false;
}
#endif /* CONFIG_MSM_QPNP_INT */
#endif /* QPNPINT_H */
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