M7350/kernel/arch/arm/mach-msm/rpm-notifier.h
2024-09-09 08:52:07 +00:00

63 lines
1.7 KiB
C

/* 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 __ARCH_ARM_MACH_MSM_RPM_NOTIF_H
#define __ARCH_ARM_MACH_MSM_RPM_NOTIF_H
struct msm_rpm_notifier_data {
uint32_t rsc_type;
uint32_t rsc_id;
uint32_t key;
uint32_t size;
uint8_t *value;
};
/**
* msm_rpm_register_notifier - Register for sleep set notifications
*
* @nb - notifier block to register
*
* return 0 on success, errno on failure.
*/
int msm_rpm_register_notifier(struct notifier_block *nb);
/**
* msm_rpm_unregister_notifier - Unregister previously registered notifications
*
* @nb - notifier block to unregister
*
* return 0 on success, errno on failure.
*/
int msm_rpm_unregister_notifier(struct notifier_block *nb);
/**
* msm_rpm_enter_sleep - Notify RPM driver to prepare for entering sleep
*
* @bool - flag to enable print contents of sleep buffer.
*
* return 0 on success errno on failure.
*/
int msm_rpm_enter_sleep(bool print);
/**
* msm_rpm_exit_sleep - Notify RPM driver about resuming from power collapse
*/
void msm_rpm_exit_sleep(void);
/**
* msm_rpm_waiting_for_ack - Indicate if there is RPM message
* pending acknowledgement.
* returns true for pending messages and false otherwise
*/
bool msm_rpm_waiting_for_ack(void);
#endif /*__ARCH_ARM_MACH_MSM_RPM_NOTIF_H */