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
11struct platform_device;
12
13struct 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 */
23int 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 */
30void 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 */
38void 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 */
48void ipa_smp2p_notify_reset(struct ipa *ipa);
49
50#endif /* _IPA_SMP2P_H_ */
51