forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
64 lines
2.0 KiB
64 lines
2.0 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
|
|
/* Copyright (c) 2018, The Linux Foundation. All rights reserved. |
|
* Copyright (C) 2018-2020 Linaro Ltd. |
|
*/ |
|
#ifndef _IPA_QMI_H_ |
|
#define _IPA_QMI_H_ |
|
|
|
#include <linux/types.h> |
|
#include <linux/soc/qcom/qmi.h> |
|
|
|
struct ipa; |
|
|
|
/** |
|
* struct ipa_qmi - QMI state associated with an IPA |
|
* @client_handle: Used to send an QMI requests to the modem |
|
* @server_handle: Used to handle QMI requests from the modem |
|
* @modem_sq: QMAP socket address for the modem QMI server |
|
* @init_driver_work: Work structure used for INIT_DRIVER message handling |
|
* @initial_boot: True if first boot has not yet completed |
|
* @uc_ready: True once DRIVER_INIT_COMPLETE request received |
|
* @modem_ready: True when INIT_DRIVER response received |
|
* @indication_requested: True when INDICATION_REGISTER request received |
|
* @indication_sent: True when INIT_COMPLETE indication sent |
|
*/ |
|
struct ipa_qmi { |
|
struct qmi_handle client_handle; |
|
struct qmi_handle server_handle; |
|
|
|
/* Information used for the client handle */ |
|
struct sockaddr_qrtr modem_sq; |
|
struct work_struct init_driver_work; |
|
|
|
/* Flags used in negotiating readiness */ |
|
bool initial_boot; |
|
bool uc_ready; |
|
bool modem_ready; |
|
bool indication_requested; |
|
bool indication_sent; |
|
}; |
|
|
|
/** |
|
* ipa_qmi_setup() - Set up for QMI message exchange |
|
* @ipa: IPA pointer |
|
* |
|
* This is called at the end of ipa_setup(), to prepare for the exchange |
|
* of QMI messages that perform a "handshake" between the AP and modem. |
|
* When the modem QMI server announces its presence, an AP request message |
|
* supplies operating parameters to be used to the modem, and the modem |
|
* acknowledges receipt of those parameters. The modem will not touch the |
|
* IPA hardware until this handshake is complete. |
|
* |
|
* If the modem crashes (or shuts down) a new handshake begins when the |
|
* modem's QMI server is started again. |
|
*/ |
|
int ipa_qmi_setup(struct ipa *ipa); |
|
|
|
/** |
|
* ipa_qmi_teardown() - Tear down IPA QMI handles |
|
* @ipa: IPA pointer |
|
*/ |
|
void ipa_qmi_teardown(struct ipa *ipa); |
|
|
|
#endif /* !_IPA_QMI_H_ */
|
|
|