225 lines
7.9 KiB
C

/*******************************************************************************
** This file is provided under a dual BSD/GPLv2 license. When using or
** redistributing this file, you may do so under either license.
**
** GPL LICENSE SUMMARY
**
** Copyright (c) 2013 Intel Corporation All Rights Reserved
**
** This program is free software; you can redistribute it and/or modify it under
** the terms of version 2 of the GNU General Public License 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.
**
** You should have received a copy of the GNU General Public License along with
** this program; if not, write to the Free Software Foundation, Inc.,
** 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
** The full GNU General Public License is included in this distribution in the
** file called LICENSE.GPL.
**
** BSD LICENSE
**
** Copyright (c) 2013 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 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.
**
*******************************************************************************/
#ifndef _ESIF_PM_H_
#define _ESIF_PM_H_
#include "esif.h"
#include "esif_participant.h"
/*
*******************************************************************************
** AGNOSTIC KERNEL/USER
*******************************************************************************
*/
/* Maximum Participant Entries */
#define MAX_PARTICIPANT_ENTRY 20
/* Participant Instances */
#define ESIF_INSTANCE_LF 0 /* Reserved For ESIF Lower Framework */
#define ESIF_INSTANCE_FIRST 1 /* The First Useable Instance */
#define ESIF_INSTANCE_UF 254 /* Reserved For ESIF Upper Framework */
#define ESIF_INSTANCE_BROADCAST 255 /* Send To All ESIF Instances */
/* Participant State Machine States */
enum esif_pm_participant_state {
/* Slot is open and never been used */
ESIF_PM_PARTICIPANT_STATE_AVAILABLE = 0,
/* Removed participant */
ESIF_PM_PARTICIPANT_REMOVED,
/* Created Lower Participant Instance */
ESIF_PM_PARTICIPANT_STATE_CREATED,
/* In The Process Of Registering */
ESIF_PM_PARTICIPANT_STATE_REGISTERING, /* Notifying UF and part. */
ESIF_PM_PARTICIPANT_STATE_NEEDDSP, /* DSP unloaded */
ESIF_PM_PARTICIPANT_STATE_REGISTERED, /* DSP Ready */
ESIF_PM_PARTICIPANT_STATE_SUSPENDED, /* Part out of D0 */
ESIF_PM_PARTICIPANT_STATE_RESUMED /* Returned to D0 */
};
/* Participant State Machine Descriptions */
static ESIF_INLINE esif_string esif_pm_participant_state_str(
enum esif_pm_participant_state state)
{
#define CREATE_STATE(ps, psd, str) case ps: str = (esif_string) psd; break;
esif_string str = (esif_string)ESIF_NOT_AVAILABLE;
switch (state) {
CREATE_STATE(ESIF_PM_PARTICIPANT_STATE_AVAILABLE, "AVAILABLE", str)
CREATE_STATE(ESIF_PM_PARTICIPANT_REMOVED, "REMOVED", str)
CREATE_STATE(ESIF_PM_PARTICIPANT_STATE_CREATED, "CREATED", str)
CREATE_STATE(ESIF_PM_PARTICIPANT_STATE_REGISTERING, "REGISTERING", str)
CREATE_STATE(ESIF_PM_PARTICIPANT_STATE_NEEDDSP, "NEED_DSP", str)
CREATE_STATE(ESIF_PM_PARTICIPANT_STATE_REGISTERED, "REGISTERED", str)
CREATE_STATE(ESIF_PM_PARTICIPANT_STATE_SUSPENDED, "SUSPENDED", str)
CREATE_STATE(ESIF_PM_PARTICIPANT_STATE_RESUMED, "RESUMED", str)
}
return str;
}
/*
*******************************************************************************
** KERNEL - Lower Framework Lower Participant (esif_lf_pm.c)
*******************************************************************************
*/
#ifdef ESIF_ATTR_KERNEL
/* Get State */
enum esif_pm_participant_state esif_lf_pm_lp_get_state(
/* Lower Participant Intance */
const struct esif_lp *lp_ptr);
/* Set State */
enum esif_rc esif_lf_pm_lp_set_state(
/* Lower Participant Instance */
struct esif_lp *lp_ptr,
/* Particpant State Enumeration*/
const enum esif_pm_participant_state state);
/* Get LP Instance By ID */
struct esif_lp *esif_lf_pm_lp_get_by_instance_id(const u8 id);
/* Get Interface By ID */
struct esif_participant_iface *esif_lf_pm_pi_get_by_instance_id(const u8 id);
/* Get LP By PI Pointer */
struct esif_lp *esif_lf_pm_lp_get_by_pi(
/* Participant Interface */
const struct esif_participant_iface *pi_ptr);
/* Create Participant */
struct esif_lp *esif_lf_pm_lp_create(
/* Participant Interface */
struct esif_participant_iface *pi_ptr);
/* Remove Participant */
void esif_lf_pm_lp_remove(
/* Lower Participant */
struct esif_lp *lp_ptr);
/* Participant Manager Init */
enum esif_rc esif_lf_pm_init(void);
/* Participant Manager Exit */
void esif_lf_pm_exit(void);
#endif /* ESIF_ATTR_KERNEL */
/*
*******************************************************************************
** USER - Upper Framework Upper Participant (esif_uf_pm.c)
*******************************************************************************
*/
#ifdef ESIF_ATTR_USER
/* Participant Manager Entry */
typedef struct _t_EsifUpManagerEntry {
enum esif_pm_participant_state fState;
EsifUpPtr fUpPtr;
} EsifUpManagerEntry, *EsifUpManagerEntryPtr, **EsifUpManagerEntryPtrLocation;
/* Package Manager */
typedef struct _t_EsifUppMgr {
UInt8 fEntryCount;
EsifUpManagerEntry fEntries[MAX_PARTICIPANT_ENTRY];
esif_ccb_lock_t fLock;
} EsifUppMgr, *EsifUppMgrPtr, **EsifUppMgrPtrLocation;
#ifdef __cplusplus
extern "C" {
#endif
EsifUpPtr EsifUpManagerGetAvailableParticipantByInstance(const UInt8 instance);
Bool EsifUpManagerDoesAvailableParticipantExistByName(char *participantName);
EsifUpPtr EsifUpManagerGetAvailableParticipantByName(char *participantName);
EsifUpPtr EsifUpManagerCreateParticipant(
const eEsifParticipantOrigin origin,
const void *handle,
const void *metadataPtr
);
eEsifError EsifUpManagerUnregisterParticipant(
const eEsifParticipantOrigin origin,
const void *handle
);
eEsifError EsifUpManagerMapLpidToPartHandle(
const UInt8 lpInstance,
void *participantHandle
);
typedef struct _t_EsifApp *EsifAppPtr;
eEsifError EsifUpManagerRegisterParticipantsWithApp(EsifAppPtr aAppPtr);
eEsifError EsifUpManagerDestroyParticipantsInApp(EsifAppPtr aAppPtr);
eEsifError EsifUppMgrInit(void);
void EsifUppMgrExit(void);
#ifdef __cplusplus
}
#endif
#endif /* ESIF_ATTR_USER */
#endif /* _ESIF_PM_H_ */
/*****************************************************************************/
/*****************************************************************************/
/*****************************************************************************/