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/*

 *  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

#include <linux/device.h>

#include <linux/mod_devicetable.h>

struct mmc_card;

struct sdio_func;

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];

};

/*

 * 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 int            state;          /* function state */

#define SDIO_STATE_PRESENT      (1<<0)          /* present in sysfs */

        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)         ((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;

        const struct sdio_device_id *id_table;

        int (*probe)(struct sdio_func *, const struct sdio_device_id *);

        void (*remove)(struct sdio_func *);

        struct device_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 char sdio_readb(struct sdio_func *func,

        unsigned int addr, int *err_ret);

extern unsigned short sdio_readw(struct sdio_func *func,

        unsigned int addr, int *err_ret);

extern unsigned long 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, unsigned char b,

        unsigned int addr, int *err_ret);

extern void sdio_writew(struct sdio_func *func, unsigned short b,

        unsigned int addr, int *err_ret);

extern void sdio_writel(struct sdio_func *func, unsigned long b,

        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);

#endif