/* *  linux/include/linux/mmc/card.h * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * *  Card driver specific definitions. */#ifndef LINUX_MMC_CARD_H#define LINUX_MMC_CARD_H#include <linux/mmc/mmc.h>struct mmc_cid {	unsigned int		manfid;	char			prod_name[8];	unsigned int		serial;	unsigned short		oemid;	unsigned short		year;	unsigned char		hwrev;	unsigned char		fwrev;	unsigned char		month;};struct mmc_csd {	unsigned char		mmca_vsn;	unsigned short		cmdclass;	unsigned short		tacc_clks;	unsigned int		tacc_ns;	unsigned int		max_dtr;	unsigned int		read_blkbits;	unsigned int		capacity;};struct sd_scr {	unsigned char		sda_vsn;	unsigned char		bus_widths;#define SD_SCR_BUS_WIDTH_1	(1<<0)#define SD_SCR_BUS_WIDTH_4	(1<<2)};struct mmc_host;/* * MMC device */struct mmc_card {	struct list_head	node;		/* node in hosts devices list */	struct mmc_host		*host;		/* the host this device belongs to */	struct device		dev;		/* the device */	unsigned int		rca;		/* relative card address of device */	unsigned int		state;		/* (our) card state */#define MMC_STATE_PRESENT	(1<<0)		/* present in sysfs */#define MMC_STATE_DEAD		(1<<1)		/* device no longer in stack */#define MMC_STATE_BAD		(1<<2)		/* unrecognised device */#define MMC_STATE_SDCARD	(1<<3)		/* is an SD card */#define MMC_STATE_READONLY	(1<<4)		/* card is read-only */	u32			raw_cid[4];	/* raw card CID */	u32			raw_csd[4];	/* raw card CSD */	u32			raw_scr[2];	/* raw card SCR */	struct mmc_cid		cid;		/* card identification */	struct mmc_csd		csd;		/* card specific */	struct sd_scr		scr;		/* extra SD information */};#define mmc_card_present(c)	((c)->state & MMC_STATE_PRESENT)#define mmc_card_dead(c)	((c)->state & MMC_STATE_DEAD)#define mmc_card_bad(c)		((c)->state & MMC_STATE_BAD)#define mmc_card_sd(c)		((c)->state & MMC_STATE_SDCARD)#define mmc_card_readonly(c)	((c)->state & MMC_STATE_READONLY)#define mmc_card_set_present(c)	((c)->state |= MMC_STATE_PRESENT)#define mmc_card_set_dead(c)	((c)->state |= MMC_STATE_DEAD)#define mmc_card_set_bad(c)	((c)->state |= MMC_STATE_BAD)#define mmc_card_set_sd(c)	((c)->state |= MMC_STATE_SDCARD)#define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)#define mmc_card_name(c)	((c)->cid.prod_name)#define mmc_card_id(c)		((c)->dev.bus_id)#define mmc_list_to_card(l)	container_of(l, struct mmc_card, node)#define mmc_get_drvdata(c)	dev_get_drvdata(&(c)->dev)#define mmc_set_drvdata(c,d)	dev_set_drvdata(&(c)->dev, d)/* * MMC device driver (e.g., Flash card, I/O card...) */struct mmc_driver {	struct device_driver drv;	int (*probe)(struct mmc_card *);	void (*remove)(struct mmc_card *);	int (*suspend)(struct mmc_card *, pm_message_t);	int (*resume)(struct mmc_card *);};extern int mmc_register_driver(struct mmc_driver *);extern void mmc_unregister_driver(struct mmc_driver *);static inline int mmc_card_claim_host(struct mmc_card *card){	return __mmc_claim_host(card->host, card);}#define mmc_card_release_host(c)	mmc_release_host((c)->host)#endif