1 /* SPDX-License-Identifier: GPL-2.0 */ 2 3 /* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved. 4 * Copyright (C) 2019-2022 Linaro Ltd. 5 */ 6 #ifndef _IPA_SMP2P_H_ 7 #define _IPA_SMP2P_H_ 8 9 #include <linux/types.h> 10 11 struct platform_device; 12 13 struct ipa; 14 15 /** 16 * ipa_smp2p_init() - Initialize the IPA SMP2P subsystem 17 * @ipa: IPA pointer 18 * @pdev: Platform device pointer 19 * @modem_init: Whether the modem is responsible for GSI initialization 20 * 21 * Return: 0 if successful, or a negative error code 22 */ 23 int ipa_smp2p_init(struct ipa *ipa, struct platform_device *pdev, 24 bool modem_init); 25 26 /** 27 * ipa_smp2p_exit() - Inverse of ipa_smp2p_init() 28 * @ipa: IPA pointer 29 */ 30 void ipa_smp2p_exit(struct ipa *ipa); 31 32 /** 33 * ipa_smp2p_irq_disable_setup() - Disable the "setup ready" interrupt 34 * @ipa: IPA pointer 35 * 36 * Disable the "ipa-setup-ready" interrupt from the modem. 37 */ 38 void ipa_smp2p_irq_disable_setup(struct ipa *ipa); 39 40 /** 41 * ipa_smp2p_notify_reset() - Reset modem notification state 42 * @ipa: IPA pointer 43 * 44 * If the modem crashes it queries the IPA power state. In cleaning 45 * up after such a crash this is used to reset some state maintained 46 * for managing this notification. 47 */ 48 void ipa_smp2p_notify_reset(struct ipa *ipa); 49 50 #endif /* _IPA_SMP2P_H_ */ 51