diff options
Diffstat (limited to 'drivers/net/ipa/ipa_uc.h')
| -rw-r--r-- | drivers/net/ipa/ipa_uc.h | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/drivers/net/ipa/ipa_uc.h b/drivers/net/ipa/ipa_uc.h index e8510899a3f0..12997ecf5faa 100644 --- a/drivers/net/ipa/ipa_uc.h +++ b/drivers/net/ipa/ipa_uc.h @@ -1,7 +1,7 @@ /* SPDX-License-Identifier: GPL-2.0 */ /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. - * Copyright (C) 2019-2020 Linaro Ltd. + * Copyright (C) 2019-2024 Linaro Ltd. */ #ifndef _IPA_UC_H_ #define _IPA_UC_H_ @@ -9,16 +9,37 @@ struct ipa; /** - * ipa_uc_setup() - set up the IPA microcontroller subsystem + * ipa_uc_interrupt_handler() - Handler for microcontroller IPA interrupts * @ipa: IPA pointer + * @irq_id: IPA interrupt ID */ -void ipa_uc_setup(struct ipa *ipa); +void ipa_uc_interrupt_handler(struct ipa *ipa, enum ipa_irq_id irq_id); /** - * ipa_uc_teardown() - inverse of ipa_uc_setup() + * ipa_uc_config() - Configure the IPA microcontroller subsystem * @ipa: IPA pointer */ -void ipa_uc_teardown(struct ipa *ipa); +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() |