From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/net/ipa/ipa_uc.h | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 drivers/net/ipa/ipa_uc.h (limited to 'drivers/net/ipa/ipa_uc.h') diff --git a/drivers/net/ipa/ipa_uc.h b/drivers/net/ipa/ipa_uc.h new file mode 100644 index 000000000..8514096e6 --- /dev/null +++ b/drivers/net/ipa/ipa_uc.h @@ -0,0 +1,46 @@ +/* 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_ */ -- cgit v1.2.3