linux/include/linux/ste_modem_shm.h
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   1/*
   2 * Copyright (C) ST-Ericsson AB 2012
   3 * Author: Sjur Brendeland / sjur.brandeland@stericsson.com
   4 *
   5 * License terms: GNU General Public License (GPL) version 2
   6 */
   7
   8#ifndef __INC_MODEM_DEV_H
   9#define __INC_MODEM_DEV_H
  10#include <linux/types.h>
  11#include <linux/platform_device.h>
  12
  13struct ste_modem_device;
  14
  15/**
  16 * struct ste_modem_dev_cb - Callbacks for modem initiated events.
  17 * @kick: Called when the modem kicks the host.
  18 *
  19 * This structure contains callbacks for actions triggered by the modem.
  20 */
  21struct ste_modem_dev_cb {
  22        void (*kick)(struct ste_modem_device *mdev, int notify_id);
  23};
  24
  25/**
  26 * struct ste_modem_dev_ops - Functions to control modem and modem interface.
  27 *
  28 * @power:      Main power switch, used for cold-start or complete power off.
  29 * @kick:       Kick the modem.
  30 * @kick_subscribe: Subscribe for notifications from the modem.
  31 * @setup:      Provide callback functions to modem device.
  32 *
  33 * This structure contains functions used by the ste remoteproc driver
  34 * to manage the modem.
  35 */
  36struct ste_modem_dev_ops {
  37        int (*power)(struct ste_modem_device *mdev, bool on);
  38        int (*kick)(struct ste_modem_device *mdev, int notify_id);
  39        int (*kick_subscribe)(struct ste_modem_device *mdev, int notify_id);
  40        int (*setup)(struct ste_modem_device *mdev,
  41                     struct ste_modem_dev_cb *cfg);
  42};
  43
  44/**
  45 * struct ste_modem_device - represent the STE modem device
  46 * @pdev: Reference to platform device
  47 * @ops: Operations used to manage the modem.
  48 * @drv_data: Driver private data.
  49 */
  50struct ste_modem_device {
  51        struct platform_device pdev;
  52        struct ste_modem_dev_ops ops;
  53        void *drv_data;
  54};
  55
  56#endif /*INC_MODEM_DEV_H*/
  57
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