| /* SPDX-License-Identifier: GPL-2.0 */ |
| |
| /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. |
| * Copyright (C) 2019-2020 Linaro Ltd. |
| */ |
| #ifndef _IPA_SMP2P_H_ |
| #define _IPA_SMP2P_H_ |
| |
| #include <linux/types.h> |
| |
| struct ipa; |
| |
| /** |
| * ipa_smp2p_init() - Initialize the IPA SMP2P subsystem |
| * @ipa: IPA pointer |
| * @modem_init: Whether the modem is responsible for GSI initialization |
| * |
| * @Return: 0 if successful, or a negative error code |
| * |
| */ |
| int ipa_smp2p_init(struct ipa *ipa, bool modem_init); |
| |
| /** |
| * ipa_smp2p_exit() - Inverse of ipa_smp2p_init() |
| * @ipa: IPA pointer |
| */ |
| void ipa_smp2p_exit(struct ipa *ipa); |
| |
| /** |
| * ipa_smp2p_disable() - Prevent "ipa-setup-ready" interrupt handling |
| * @IPA: IPA pointer |
| * |
| * Prevent handling of the "setup ready" interrupt from the modem. |
| * This is used before initiating shutdown of the driver. |
| */ |
| void ipa_smp2p_disable(struct ipa *ipa); |
| |
| /** |
| * ipa_smp2p_notify_reset() - Reset modem notification state |
| * @ipa: IPA pointer |
| * |
| * If the modem crashes it queries the IPA clock state. In cleaning |
| * up after such a crash this is used to reset some state maintained |
| * for managing this notification. |
| */ |
| void ipa_smp2p_notify_reset(struct ipa *ipa); |
| |
| #endif /* _IPA_SMP2P_H_ */ |
