[linux-block.git] / drivers / mmc / core / bus.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  linux/drivers/mmc/core/bus.h
 *
 *  Copyright (C) 2003 Russell King, All Rights Reserved.
 *  Copyright 2007 Pierre Ossman
 */
#ifndef _MMC_CORE_BUS_H
#define _MMC_CORE_BUS_H

#include <linux/device.h>
#include <linux/sysfs.h>

struct mmc_host;
struct mmc_card;

#define MMC_DEV_ATTR(name, fmt, args...)					\
static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf)	\
{										\
	struct mmc_card *card = mmc_dev_to_card(dev);				\
	return sysfs_emit(buf, fmt, args);					\
}										\
static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL)

struct mmc_card *mmc_alloc_card(struct mmc_host *host,
	struct device_type *type);
int mmc_add_card(struct mmc_card *card);
void mmc_remove_card(struct mmc_card *card);

int mmc_register_bus(void);
void mmc_unregister_bus(void);

struct mmc_driver {
	struct device_driver drv;
	int (*probe)(struct mmc_card *card);
	void (*remove)(struct mmc_card *card);
	void (*shutdown)(struct mmc_card *card);
};

int mmc_register_driver(struct mmc_driver *drv);
void mmc_unregister_driver(struct mmc_driver *drv);

#endif
Commit	Line	Data
d2912cb1	1	/* SPDX-License-Identifier: GPL-2.0-only */
4101c16a PO	2	/*
	3	* linux/drivers/mmc/core/bus.h
	4	*
	5	* Copyright (C) 2003 Russell King, All Rights Reserved.
	6	* Copyright 2007 Pierre Ossman
4101c16a PO	7	*/
	8	#ifndef _MMC_CORE_BUS_H
	9	#define _MMC_CORE_BUS_H
	10
4facdde1	11	#include <linux/device.h>
f5d8a5fe	12	#include <linux/sysfs.h>
4facdde1	13
066185d6 UH	14	struct mmc_host;
066185d6 UH	15	struct mmc_card;
066185d6	16
51ec92e2 PO	17	#define MMC_DEV_ATTR(name, fmt, args...) \
	18	static ssize_t mmc_##name##_show (struct device dev, struct device_attribute attr, char *buf) \
	19	{ \
265cdc90	20	struct mmc_card *card = mmc_dev_to_card(dev); \
f5d8a5fe	21	return sysfs_emit(buf, fmt, args); \
51ec92e2 PO	22	} \
	23	static DEVICE_ATTR(name, S_IRUGO, mmc_##name##_show, NULL)
	24
	25	struct mmc_card mmc_alloc_card(struct mmc_host host,
	26	struct device_type *type);
4101c16a PO	27	int mmc_add_card(struct mmc_card *card);
	28	void mmc_remove_card(struct mmc_card *card);
	29
	30	int mmc_register_bus(void);
	31	void mmc_unregister_bus(void);
	32
4facdde1 UH	33	struct 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	};
4101c16a	39
4facdde1 UH	40	int mmc_register_driver(struct mmc_driver *drv);
	41	void mmc_unregister_driver(struct mmc_driver *drv);
	42
	43	#endif