1 /* SPDX-License-Identifier: GPL-2.0-only
2  *
3  * Copyright (C) 2020-21 Intel Corporation.
4  */
5 
6 #ifndef IOSM_IPC_PORT_H
7 #define IOSM_IPC_PORT_H
8 
9 #include <linux/wwan.h>
10 
11 #include "iosm_ipc_imem_ops.h"
12 
13 /**
14  * struct iosm_cdev - State of the char driver layer.
15  * @iosm_port:		Pointer of type wwan_port
16  * @ipc_imem:		imem instance
17  * @dev:		Pointer to device struct
18  * @pcie:		PCIe component
19  * @port_type:		WWAN port type
20  * @channel:		Channel instance
21  * @chl_id:		Channel Indentifier
22  */
23 struct iosm_cdev {
24 	struct wwan_port *iosm_port;
25 	struct iosm_imem *ipc_imem;
26 	struct device *dev;
27 	struct iosm_pcie *pcie;
28 	enum wwan_port_type port_type;
29 	struct ipc_mem_channel *channel;
30 	enum ipc_channel_id chl_id;
31 };
32 
33 /**
34  * ipc_port_init - Allocate IPC port & register to wwan subsystem for AT/MBIM
35  *		   communication.
36  * @ipc_imem:		Pointer to iosm_imem structure
37  * @ipc_port_cfg:	IPC Port Config
38  *
39  * Returns: 0 on success & NULL on failure
40  */
41 struct iosm_cdev *ipc_port_init(struct iosm_imem *ipc_imem,
42 				struct ipc_chnl_cfg ipc_port_cfg);
43 
44 /**
45  * ipc_port_deinit - Free IPC port & unregister port with wwan subsystem.
46  * @ipc_port:	Array of pointer to the ipc port data-struct
47  */
48 void ipc_port_deinit(struct iosm_cdev *ipc_port[]);
49 
50 #endif
51