/* *  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 LINUX_MMC_SDIO_FUNC_H#define LINUX_MMC_SDIO_FUNC_H #include <linux/device.h>#include <linux/mod_devicetable.h> #include <linux/mmc/pm.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		enable_timeout;	/* max enable timeout in msec */ 	unsigned int		state;		/* function state */#define SDIO_STATE_PRESENT	(1<<0)		/* present in sysfs */ 	u8			*tmpbuf;	/* 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) /* * 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 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 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 /* LINUX_MMC_SDIO_FUNC_H */