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 ipa;
12
13/**
14 * ipa_smp2p_init() - Initialize the IPA SMP2P subsystem
15 * @ipa:	IPA pointer
16 * @modem_init:	Whether the modem is responsible for GSI initialization
17 *
18 * Return:	0 if successful, or a negative error code
19 *
20 */
21int ipa_smp2p_init(struct ipa *ipa, bool modem_init);
22
23/**
24 * ipa_smp2p_exit() - Inverse of ipa_smp2p_init()
25 * @ipa:	IPA pointer
26 */
27void ipa_smp2p_exit(struct ipa *ipa);
28
29/**
30 * ipa_smp2p_irq_disable_setup() - Disable the "setup ready" interrupt
31 * @ipa:	IPA pointer
32 *
33 * Disable the "ipa-setup-ready" interrupt from the modem.
 
34 */
35void ipa_smp2p_irq_disable_setup(struct ipa *ipa);
36
37/**
38 * ipa_smp2p_notify_reset() - Reset modem notification state
39 * @ipa:	IPA pointer
40 *
41 * If the modem crashes it queries the IPA power state.  In cleaning
42 * up after such a crash this is used to reset some state maintained
43 * for managing this notification.
44 */
45void ipa_smp2p_notify_reset(struct ipa *ipa);
46
47#endif /* _IPA_SMP2P_H_ */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2
 3/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
 4 * Copyright (C) 2019-2020 Linaro Ltd.
 5 */
 6#ifndef _IPA_SMP2P_H_
 7#define _IPA_SMP2P_H_
 8
 9#include <linux/types.h>
10
11struct ipa;
12
13/**
14 * ipa_smp2p_init() - Initialize the IPA SMP2P subsystem
15 * @ipa:	IPA pointer
16 * @modem_init:	Whether the modem is responsible for GSI initialization
17 *
18 * Return:	0 if successful, or a negative error code
19 *
20 */
21int ipa_smp2p_init(struct ipa *ipa, bool modem_init);
22
23/**
24 * ipa_smp2p_exit() - Inverse of ipa_smp2p_init()
25 * @ipa:	IPA pointer
26 */
27void ipa_smp2p_exit(struct ipa *ipa);
28
29/**
30 * ipa_smp2p_disable() - Prevent "ipa-setup-ready" interrupt handling
31 * @ipa:	IPA pointer
32 *
33 * Prevent handling of the "setup ready" interrupt from the modem.
34 * This is used before initiating shutdown of the driver.
35 */
36void ipa_smp2p_disable(struct ipa *ipa);
37
38/**
39 * ipa_smp2p_notify_reset() - Reset modem notification state
40 * @ipa:	IPA pointer
41 *
42 * If the modem crashes it queries the IPA clock state.  In cleaning
43 * up after such a crash this is used to reset some state maintained
44 * for managing this notification.
45 */
46void ipa_smp2p_notify_reset(struct ipa *ipa);
47
48#endif /* _IPA_SMP2P_H_ */