drivers/net/wwan/iosm/iosm_ipc_port.h

   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