[mirror_ubuntu-eoan-kernel.git] / include / linux / mmc / sdio_func.h

/*
 *  include/linux/mmc/sdio_func.h
 *
 *  Copyright 2007 Pierre Ossman
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 */

#ifndef MMC_SDIO_FUNC_H
#define MMC_SDIO_FUNC_H

struct mmc_card;

/*
 * SDIO function CIS tuple (unknown to the core)
 */
struct sdio_func_tuple {
	struct sdio_func_tuple *next;
	unsigned char code;
	unsigned char size;
	unsigned char data[0];
};

/*
 * SDIO function devices
 */
struct sdio_func {
	struct mmc_card		*card;		/* the card this device belongs to */
	struct device		dev;		/* the device */
	unsigned int		num;		/* function number */

	unsigned char		class;		/* standard interface class */
	unsigned short		vendor;		/* vendor id */
	unsigned short		device;		/* device id */

	unsigned short		blksize;	/* maximum block size */

	unsigned int		state;		/* function state */
#define SDIO_STATE_PRESENT	(1<<0)		/* present in sysfs */

	struct sdio_func_tuple *tuples;
};

#define sdio_func_present(f)	((f)->state & SDIO_STATE_PRESENT)

#define sdio_func_set_present(f) ((f)->state |= SDIO_STATE_PRESENT)

#define sdio_func_id(f)		((f)->dev.bus_id)

#define sdio_get_drvdata(f)	dev_get_drvdata(&(f)->dev)
#define sdio_set_drvdata(f,d)	dev_set_drvdata(&(f)->dev, d)

/*
 * SDIO function device driver
 */
struct sdio_driver {
	char *name;

	int (*probe)(struct sdio_func *);
	void (*remove)(struct sdio_func *);

	struct device_driver drv;
};

extern int sdio_register_driver(struct sdio_driver *);
extern void sdio_unregister_driver(struct sdio_driver *);

/*
 * SDIO I/O operations
 */
extern void sdio_claim_host(struct sdio_func *func);
extern void sdio_release_host(struct sdio_func *func);

extern int sdio_enable_func(struct sdio_func *func);
extern int sdio_disable_func(struct sdio_func *func);

extern unsigned char sdio_readb(struct sdio_func *func,
	unsigned int addr, int *err_ret);

extern void sdio_writeb(struct sdio_func *func, unsigned char b,
	unsigned int addr, int *err_ret);

#endif
Commit	Line	Data
e29a7d73 PO	1	/*
	2	* include/linux/mmc/sdio_func.h
	3	*
	4	* Copyright 2007 Pierre Ossman
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or (at
	9	* your option) any later version.
	10	*/
	11
	12	#ifndef MMC_SDIO_FUNC_H
	13	#define MMC_SDIO_FUNC_H
	14
	15	struct mmc_card;
	16
b1538bcf NP	17	/*
	18	* SDIO function CIS tuple (unknown to the core)
	19	*/
	20	struct sdio_func_tuple {
	21	struct sdio_func_tuple *next;
	22	unsigned char code;
	23	unsigned char size;
	24	unsigned char data[0];
	25	};
	26
e29a7d73 PO	27	/*
	28	* SDIO function devices
	29	*/
	30	struct sdio_func {
	31	struct mmc_card card; / the card this device belongs to */
	32	struct device dev; /* the device */
	33	unsigned int num; /* function number */
0597007f PO	34
	35	unsigned char class; /* standard interface class */
	36	unsigned short vendor; /* vendor id */
	37	unsigned short device; /* device id */
	38
1a632f8c PO	39	unsigned short blksize; /* maximum block size */
1a632f8c PO	40
e29a7d73 PO	41	unsigned int state; /* function state */
e29a7d73 PO	42	#define SDIO_STATE_PRESENT (1<<0) /* present in sysfs */
b1538bcf NP	43
b1538bcf NP	44	struct sdio_func_tuple *tuples;
e29a7d73 PO	45	};
	46
	47	#define sdio_func_present(f) ((f)->state & SDIO_STATE_PRESENT)
	48
	49	#define sdio_func_set_present(f) ((f)->state \|= SDIO_STATE_PRESENT)
	50
	51	#define sdio_func_id(f) ((f)->dev.bus_id)
	52
f76c8515 PO	53	#define sdio_get_drvdata(f) dev_get_drvdata(&(f)->dev)
	54	#define sdio_set_drvdata(f,d) dev_set_drvdata(&(f)->dev, d)
	55
	56	/*
	57	* SDIO function device driver
	58	*/
	59	struct sdio_driver {
	60	char *name;
	61
	62	int (probe)(struct sdio_func );
	63	void (remove)(struct sdio_func );
	64
	65	struct device_driver drv;
	66	};
	67
	68	extern int sdio_register_driver(struct sdio_driver *);
	69	extern void sdio_unregister_driver(struct sdio_driver *);
	70
46f555f2 PO	71	/*
	72	* SDIO I/O operations
	73	*/
	74	extern void sdio_claim_host(struct sdio_func *func);
	75	extern void sdio_release_host(struct sdio_func *func);
	76
fa64efa1 PO	77	extern int sdio_enable_func(struct sdio_func *func);
	78	extern int sdio_disable_func(struct sdio_func *func);
	79
46f555f2 PO	80	extern unsigned char sdio_readb(struct sdio_func *func,
	81	unsigned int addr, int *err_ret);
	82
	83	extern void sdio_writeb(struct sdio_func *func, unsigned char b,
	84	unsigned int addr, int *err_ret);
	85
e29a7d73 PO	86	#endif
e29a7d73 PO	87