blob: 8514096e6f36f277e9e8555dd17cd91bca67662f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
* Copyright (C) 2019-2022 Linaro Ltd.
*/
#ifndef _IPA_UC_H_
#define _IPA_UC_H_
struct ipa;
/**
* ipa_uc_config() - Configure the IPA microcontroller subsystem
* @ipa: IPA pointer
*/
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()
* @ipa: IPA pointer
*
* Notifier function called when the system crashes, to inform the
* microcontroller of the event.
*/
void ipa_uc_panic_notifier(struct ipa *ipa);
#endif /* _IPA_UC_H_ */
|
