/*
 *  include/linux/mmc/sdio_func.h
 *
 *  Copyright 2007-2008 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 _SDIO_FUNC_H_
#define _SDIO_FUNC_H_

#include "typedef.h"
#include "inc/linux/device.h"
#include "inc/linux/mod_devicetable.h"
#ifndef min
#define min(a,b) (a)>(b)?b:a
#endif
typedef void (sdio_irq_handler_t)(struct sdio_func *);

/*
 * 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];
};

// struct device{
// struct device		*parent;
// void		        *driver_data;	[> Driver data, set and get with dev_set/get_drvdata <]
/* }; */
/*
 * SDIO function devices
 */
struct sdio_func {
    struct mmc_card		*card;		/* the card this device belongs to */
    struct device		dev;		/* the device */
    sdio_irq_handler_t	*irq_handler;	/* IRQ callback */
    unsigned int		num;		/* function number */
    unsigned char		class;		/* standard interface class */
    unsigned short		vendor;		/* vendor id */
    unsigned short		device;		/* device id */
    unsigned		max_blksize;	/* maximum block size */
    unsigned		cur_blksize;	/* current block size */

    unsigned		enable_timeout;	/* max enable timeout in msec */
    u8			tmpbuf[4];	/* DMA:able scratch buffer */
    unsigned		num_info;	/* number of info strings */
    const char		**info;		/* info strings */
    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)		(dev_name(&(f)->dev))

#define sdio_get_drvdata(f)	dev_get_drvdata(&(f)->dev)
#define sdio_set_drvdata(f,d)	dev_set_drvdata(&(f)->dev, d)
#define dev_to_sdio_func(d)	container_of(d, struct sdio_func, dev)
#define to_sdio_driver(d)	container_of(d, struct sdio_driver, drv)

/**
 * SDIO_DEVICE - macro used to describe a specific SDIO device
 * @vend: the 16 bit manufacturer code
 * @dev: the 16 bit function id
 *
 * This macro is used to create a struct sdio_device_id that matches a
 * specific device. The class field will be set to SDIO_ANY_ID.
 */
#define SDIO_DEVICE(vend,dev) \
	.class = SDIO_ANY_ID, \
	.vendor = (vend), .device = (dev)

/**
 * SDIO_DEVICE_CLASS - macro used to describe a specific SDIO device class
 * @dev_class: the 8 bit standard interface code
 *
 * This macro is used to create a struct sdio_device_id that matches a
 * specific standard SDIO function type.  The vendor and device fields will
 * be set to SDIO_ANY_ID.
 */
#define SDIO_DEVICE_CLASS(dev_class) \
	.class = (dev_class), \
	.vendor = SDIO_ANY_ID, .device = SDIO_ANY_ID

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 int sdio_set_block_size(struct sdio_func *func, unsigned blksz);

extern int sdio_claim_irq(struct sdio_func *func, sdio_irq_handler_t *handler);
extern int sdio_release_irq(struct sdio_func *func);

extern unsigned int sdio_align_size(struct sdio_func *func, unsigned int sz);

extern u8 sdio_readb(struct sdio_func *func, unsigned int addr, int *err_ret);
extern u16 sdio_readw(struct sdio_func *func, unsigned int addr, int *err_ret);
extern u32 sdio_readl(struct sdio_func *func, unsigned int addr, int *err_ret);

extern int sdio_memcpy_fromio(struct sdio_func *func, void *dst,
                              unsigned int addr, int count);
extern int sdio_readsb(struct sdio_func *func, void *dst,
                       unsigned int addr, int count);

extern void sdio_writeb(struct sdio_func *func, u8 b,
                        unsigned int addr, int *err_ret);
extern void sdio_writew(struct sdio_func *func, u16 b,
                        unsigned int addr, int *err_ret);
extern void sdio_writel(struct sdio_func *func, u32 b,
                        unsigned int addr, int *err_ret);

extern u8 sdio_writeb_readb(struct sdio_func *func, u8 write_byte,
                            unsigned int addr, int *err_ret);

extern int sdio_memcpy_toio(struct sdio_func *func, unsigned int addr,
                            void *src, int count);
extern int sdio_writesb(struct sdio_func *func, unsigned int addr,
                        void *src, int count);

extern unsigned char sdio_f0_readb(struct sdio_func *func,
                                   unsigned int addr, int *err_ret);
extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b,
                           unsigned int addr, int *err_ret);
extern int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
                            unsigned addr, u8 in, u8 *out);

//extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func);
//extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags);

#endif /* _SDIO_FUNC_H_ */