summaryrefslogblamecommitdiff
path: root/drivers/net/ipa/ipa_uc.h
blob: 12997ecf5faae80dbbd1b92c13c95a3e72d9b2f5 (plain) (tree)
1
2
3
4
5
6
7
8
9

                                                                      
                                      



                  





                                                                          
   
                                                                
                           
                                    
   
                                                 
                           
                                      
   
                                                                        



                                                                         
                                                                  
                                                                    
                                                                    
   
                                   
   







                                                                  
/* SPDX-License-Identifier: GPL-2.0 */

/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
 * Copyright (C) 2019-2024 Linaro Ltd.
 */
#ifndef _IPA_UC_H_
#define _IPA_UC_H_

struct ipa;

/**
 * ipa_uc_interrupt_handler() - Handler for microcontroller IPA interrupts
 * @ipa:	IPA pointer
 * @irq_id:	IPA interrupt ID
 */
void ipa_uc_interrupt_handler(struct ipa *ipa, enum ipa_irq_id irq_id);

/**
 * 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_ */