LXR linux/drivers/net/wwan/iosm/iosm_ipc

   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 */
  23struct 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 */
  41struct 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 */
  48void ipc_port_deinit(struct iosm_cdev *ipc_port[]);
  49
  50#endif
  51