/*

* Copyright (c) 2016, Intel Corporation

* All rights reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions are met:

* * Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

* * Redistributions in binary form must reproduce the above copyright

* notice, this list of conditions and the following disclaimer in the

* documentation and/or other materials provided with the distribution.

* * Neither the name of the Intel Corporation nor the

* names of its contributors may be used to endorse or promote products

* derived from this software without specific prior written permission.

*

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

* POSSIBILITY OF SUCH DAMAGE.

*

* Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>

*/

#ifndef __INCLUDE_NOTIFIER__

#define __INCLUDE_NOTIFIER__

#include <stdint.h>

#include <sof/list.h>

#include <sof/lock.h>

struct sof;

/* notifier general IDs */

#define NOTIFIER_ID_CPU_FREQ 0

#define NOTIFIER_ID_SSP_FREQ 1

/* notifier target core masks */

#define NOTIFIER_TARGET_CORE_MASK(x) (1 << x)

#define NOTIFIER_TARGET_CORE_ALL_MASK 0xFFFFFFFF

struct notify {

spinlock_t lock; /* notifier lock */

struct list_item list; /* list of notifiers */

};

struct notify_data {

uint32_t id;

uint32_t message;

uint32_t target_core_mask;

uint32_t data_size;

void *data;

};

struct notifier {

uint32_t id;

struct list_item list;

void *cb_data;

void (*cb)(int message, void *cb_data, void *event_data);

};

struct notify **arch_notify_get(void);

void notifier_register(struct notifier *notifier);

void notifier_unregister(struct notifier *notifier);

void notifier_notify(void);

void notifier_event(struct notify_data *notify_data);

void init_system_notify(struct sof *sof);

void free_system_notify(void);

#endif