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/*
* uqmi -- tiny QMI support implementation
*
* Copyright (C) 2023 Alexander Couzens <lynxis@fe80.eu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*/
#ifndef __UQMID_QMI_DEV_H
#define __UQMID_QMI_DEV_H
#include <stdint.h>
#include <libubox/list.h>
#include "uqmid.h"
struct qmi_dev;
struct qmi_request;
enum {
SERVICE_IDLE,
SERVICE_WAIT_CID,
SERVICE_READY,
};
struct qmi_service {
int service; /*! service id */
uint16_t client_id; /*! client id, unique per service */
uint16_t tid; /*! the current transaction id */
uint16_t major;
uint16_t minor;
int state;
struct qmi_dev *qmi;
struct list_head list; /*! entry on qmi_dev */
/* contains all pending requests */
struct list_head reqs;
/* contains indication registers
* a sorted llist by qmi msg id
*/
struct list_head indications;
};
typedef void (*indication_cb)(struct qmi_service *service, struct qmi_msg *msg, void *data);
struct qmi_indication {
/* a sorted linked list by qmi_ind in indications */
struct list_head list;
/* qmi_ind the qmi message id.
* Multiple callbacks can receive the same indication
*/
uint16_t qmi_ind;
indication_cb cb;
void *cb_data;
};
struct qmi_service *uqmi_service_find(struct qmi_dev *qmi, int service_id);
struct qmi_service *uqmi_service_find_or_init(struct qmi_dev *qmi, int service_id);
int uqmi_service_open(struct qmi_dev *qmi);
void uqmi_service_close(struct qmi_service *service);
int uqmi_service_send_msg(struct qmi_service *service, struct qmi_request *req);
int uqmi_service_send_msg2(struct qmi_dev *qmi, struct qmi_request *req, int service_id);
int uqmi_service_send_simple(struct qmi_service *service,
int(*encode)(struct qmi_msg *msg),
request_cb cb, void *cb_data);
int uqmi_service_get_next_tid(struct qmi_service *service);
struct qmi_service *uqmi_service_create(struct qmi_dev *qmi, int service_id);
/* callback for the ctrl when allocating the client id */
void uqmi_service_get_client_id_cb(struct qmi_service *service, uint16_t client_id);
void uqmi_service_close_cb(struct qmi_service *service);
/* indications */
int uqmi_service_register_indication(struct qmi_service *service, uint16_t indication, indication_cb cb, void *cb_data);
int uqmi_service_remove_indication(struct qmi_service *service, uint16_t indication, indication_cb cb, void *cb_data);
int uqmi_service_handle_indication(struct qmi_service *service, struct qmi_msg *msg);
#endif /* __UQMID_QMI_DEV_H */
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