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 13 struct mmc_host; 14 struct mmc_card; 15 16 #define MMC_DEV_ATTR(name, fmt, args...) \ 17 static 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 } \ 22 static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL) 23 24 struct mmc_card *mmc_alloc_card(struct mmc_host *host, 25 struct device_type *type); 26 int mmc_add_card(struct mmc_card *card); 27 void mmc_remove_card(struct mmc_card *card); 28 29 int mmc_register_bus(void); 30 void mmc_unregister_bus(void); 31 32 struct 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 39 int mmc_register_driver(struct mmc_driver *drv); 40 void mmc_unregister_driver(struct mmc_driver *drv); 41 42 #endif 43