linux-stable/drivers/net/ipa/ipa_uc.h
Alex Elder a4388da51a net: ipa: update copyrights
Some source files state copyright dates that are earlier than the
last modification of the file.  Change the copyright year to 2022 in
all such cases.

Signed-off-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20220930224549.3503434-1-elder@linaro.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-10-03 16:49:20 -07:00

46 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
* Copyright (C) 2019-2022 Linaro Ltd.
*/
#ifndef _IPA_UC_H_
#define _IPA_UC_H_
struct ipa;
/**
* ipa_uc_config() - Configure the IPA microcontroller subsystem
* @ipa: IPA pointer
*/
void ipa_uc_config(struct ipa *ipa);
/**
* ipa_uc_deconfig() - Inverse of ipa_uc_config()
* @ipa: IPA pointer
*/
void ipa_uc_deconfig(struct ipa *ipa);
/**
* ipa_uc_power() - Take a proxy power reference for the microcontroller
* @ipa: IPA pointer
*
* The first time the modem boots, it loads firmware for and starts the
* IPA-resident microcontroller. The microcontroller signals that it
* has completed its initialization by sending an INIT_COMPLETED response
* message to the AP. The AP must ensure the IPA is powered until
* it receives this message, and to do so we take a "proxy" clock
* reference on its behalf here. Once we receive the INIT_COMPLETED
* message (in ipa_uc_response_hdlr()) we drop this power reference.
*/
void ipa_uc_power(struct ipa *ipa);
/**
* ipa_uc_panic_notifier()
* @ipa: IPA pointer
*
* Notifier function called when the system crashes, to inform the
* microcontroller of the event.
*/
void ipa_uc_panic_notifier(struct ipa *ipa);
#endif /* _IPA_UC_H_ */