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