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 Identifier 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