1/*
 2 *  linux/drivers/mmc/core/bus.h
 3 *
 4 *  Copyright (C) 2003 Russell King, All Rights Reserved.
 5 *  Copyright 2007 Pierre Ossman
 6 *
 7 * This program is free software; you can redistribute it and/or modify
 8 * it under the terms of the GNU General Public License version 2 as
 9 * published by the Free Software Foundation.
10 */
11#ifndef _MMC_CORE_BUS_H
12#define _MMC_CORE_BUS_H
13
 
 
 
 
 
 
14#define MMC_DEV_ATTR(name, fmt, args...)					\
15static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf)	\
16{										\
17	struct mmc_card *card = mmc_dev_to_card(dev);				\
18	return sprintf(buf, fmt, args);						\
19}										\
20static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL)
21
22struct mmc_card *mmc_alloc_card(struct mmc_host *host,
23	struct device_type *type);
24int mmc_add_card(struct mmc_card *card);
25void mmc_remove_card(struct mmc_card *card);
26
27int mmc_register_bus(void);
28void mmc_unregister_bus(void);
29
30#endif
 
 
 
 
 
 
 
 
31

 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#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	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#endif