LXR linux/drivers/mmc/core/bus.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 *  linux/drivers/mmc/core/bus.h
   4 *
   5 *  Copyright (C) 2003 Russell King, All Rights Reserved.
   6 *  Copyright 2007 Pierre Ossman
   7 */
   8#ifndef _MMC_CORE_BUS_H
   9#define _MMC_CORE_BUS_H
  10
  11#include <linux/device.h>
  12
  13struct mmc_host;
  14struct mmc_card;
  15
  16#define MMC_DEV_ATTR(name, fmt, args...)                                        \
  17static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \
  18{                                                                               \
  19        struct mmc_card *card = mmc_dev_to_card(dev);                           \
  20        return sprintf(buf, fmt, args);                                         \
  21}                                                                               \
  22static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL)
  23
  24struct mmc_card *mmc_alloc_card(struct mmc_host *host,
  25        struct device_type *type);
  26int mmc_add_card(struct mmc_card *card);
  27void mmc_remove_card(struct mmc_card *card);
  28
  29int mmc_register_bus(void);
  30void mmc_unregister_bus(void);
  31
  32struct mmc_driver {
  33        struct device_driver drv;
  34        int (*probe)(struct mmc_card *card);
  35        void (*remove)(struct mmc_card *card);
  36        void (*shutdown)(struct mmc_card *card);
  37};
  38
  39int mmc_register_driver(struct mmc_driver *drv);
  40void mmc_unregister_driver(struct mmc_driver *drv);
  41
  42#endif
  43