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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * linux/drivers/mmc/core/bus.h4 *5 * Copyright (C) 2003 Russell King, All Rights Reserved.6 * Copyright 2007 Pierre Ossman7 */8#ifndef _MMC_CORE_BUS_H9#define _MMC_CORE_BUS_H10 11#include <linux/device.h>12#include <linux/sysfs.h>13 14struct mmc_host;15struct mmc_card;16 17#define MMC_DEV_ATTR(name, fmt, args...) \18static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \19{ \20 struct mmc_card *card = mmc_dev_to_card(dev); \21 return sysfs_emit(buf, fmt, args); \22} \23static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL)24 25struct mmc_card *mmc_alloc_card(struct mmc_host *host,26 const struct device_type *type);27int mmc_add_card(struct mmc_card *card);28void mmc_remove_card(struct mmc_card *card);29 30int mmc_register_bus(void);31void mmc_unregister_bus(void);32 33struct mmc_driver {34 struct device_driver drv;35 int (*probe)(struct mmc_card *card);36 void (*remove)(struct mmc_card *card);37 void (*shutdown)(struct mmc_card *card);38};39 40int mmc_register_driver(struct mmc_driver *drv);41void mmc_unregister_driver(struct mmc_driver *drv);42 43#endif44