include/linux/coresight-cti.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2013-2014, 2019, The Linux Foundation. All rights reserved.
 */

#ifndef _LINUX_CORESIGHT_CTI_H
#define _LINUX_CORESIGHT_CTI_H

#include <linux/pinctrl/consumer.h>
#include <linux/list.h>

struct coresight_cti_data {
	int nr_ctis;
	const char **names;
};

struct coresight_cti {
	const char *name;
	struct list_head link;
};

#ifdef CONFIG_CORESIGHT_CTI
extern struct coresight_cti *coresight_cti_get(const char *name);
extern void coresight_cti_put(struct coresight_cti *cti);
extern int coresight_cti_map_trigin(
			struct coresight_cti *cti, int trig, int ch);
extern int coresight_cti_map_trigout(
			struct coresight_cti *cti, int trig, int ch);
extern void coresight_cti_unmap_trigin(
			struct coresight_cti *cti, int trig, int ch);
extern void coresight_cti_unmap_trigout(
			struct coresight_cti *cti, int trig, int ch);
extern void coresight_cti_reset(struct coresight_cti *cti);
extern int coresight_cti_set_trig(struct coresight_cti *cti, int ch);
extern void coresight_cti_clear_trig(struct coresight_cti *cti, int ch);
extern int coresight_cti_pulse_trig(struct coresight_cti *cti, int ch);
extern int coresight_cti_enable_gate(struct coresight_cti *cti, int ch);
extern void coresight_cti_disable_gate(struct coresight_cti *cti, int ch);
extern void coresight_cti_ctx_save(void);
extern void coresight_cti_ctx_restore(void);
extern int coresight_cti_ack_trig(struct coresight_cti *cti, int trig);
#else
static inline struct coresight_cti *coresight_cti_get(const char *name)
{
	return NULL;
}
static inline void coresight_cti_put(struct coresight_cti *cti) {}
static inline int coresight_cti_map_trigin(
			struct coresight_cti *cti, int trig, int ch)
{
	return -ENODEV;
}
static inline int coresight_cti_map_trigout(
			struct coresight_cti *cti, int trig, int ch)
{
	return -ENODEV;
}
static inline void coresight_cti_unmap_trigin(
			struct coresight_cti *cti, int trig, int ch) {}
static inline void coresight_cti_unmap_trigout(
			struct coresight_cti *cti, int trig, int ch) {}
static inline void coresight_cti_reset(struct coresight_cti *cti) {}
static inline int coresight_cti_set_trig(struct coresight_cti *cti, int ch)
{
	return -ENODEV;
}
static inline void coresight_cti_clear_trig(struct coresight_cti *cti, int ch)
{}
static inline int coresight_cti_pulse_trig(struct coresight_cti *cti, int ch)
{
	return -ENODEV;
}
static inline int coresight_cti_enable_gate(struct coresight_cti *cti, int ch)
{
	return -ENODEV;
}
static inline void coresight_cti_disable_gate(struct coresight_cti *cti, int ch)
{}
static inline void coresight_cti_ctx_save(void){}
static inline void coresight_cti_ctx_restore(void){}
static inline int coresight_cti_ack_trig(struct coresight_cti *cti, int trig)
{
	return -ENODEV;
}
#endif

#endif