/* * Header for MultiMediaCard (MMC) * * Copyright 2002 Hewlett-Packard Company * * Use consistent with the GNU GPL is permitted, * provided that this copyright notice is * preserved in its entirety in all copies and derived works. * * HEWLETT-PACKARD COMPANY MAKES NO WARRANTIES, EXPRESSED OR IMPLIED, * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS * FITNESS FOR ANY PARTICULAR PURPOSE. * * Many thanks to Alessandro Rubini and Jonathan Corbet! * * Based strongly on code by: * * Author: Yong-iL Joh <tolkien@mizi.com> * Date  : $Date: 2006/06/27 06:49:47 $  * * Author:  Andrew Christian *          15 May 2002 *//* * Copyright (C) 2005 Motorola Inc. * * 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. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA *//* * modified by w20598, for EZX platform */#ifndef MMC_MMC_MEDIA_H#define MMC_MMC_MEDIA_H#include <linux/interrupt.h>#include <linux/list.h>#include <linux/mmc/mmc_protocol.h>/* Set an upper bound for how many cards we'll support *//* This is used only for static array initialization */#define MMC_MAX_SLOTS   2#define MMC_SLOT_FLAG_INSERT  (1<<0)#define MMC_SLOT_FLAG_EJECT   (1<<1)#define MMC_SLOT_FLAG_LOCKED  (1<<2)#define MMC_SLOT_FLAG_LOCK_FAILED (1<<3)struct mmc_media_driver;struct mmc_slot {	int             id;     /* Card index */	/* Card specific information */	struct mmc_cid  cid;	struct mmc_csd  csd;	enum card_state state;  /* empty, ident, ready, whatever */	int             flags;  /* Ejected, inserted */        int             sd;     /* MMC or SD card */        int             rca;    /* RCA */        u32             scr;    /* SCR 63:32*/        	/* Assigned media driver */	struct mmc_media_driver *media_driver;	struct mmc_dev 		*dev;};#define MMC_IO_UNKNOWN	(-1)#define MMC_IO_READ	(1)#define MMC_IO_WRITE	(2)#define MMC_IO_LOCK	(3)struct mmc_io_request {	int            id;         /* Card index     */	int            cmd;        /* READ or WRITE  */	unsigned long  sector;     /* Start address  */	unsigned long  nr_sectors; /* Length of read */	unsigned long  block_len;  /* Size of sector (sanity check) */	char          *buffer;     /* Data buffer    */	void	      *done_data;  /* completion */	void	      (*done)(struct mmc_io_request*); /* completion function */};/* Media driver (e.g., Flash card, I/O card...) */struct mmc_media_driver {	struct list_head   node;	char              *name;	void (*load)(struct mmc_slot *);	void (*unload)(struct mmc_slot *);	int  (*probe)(struct mmc_slot *);	void (*io_request_done)(struct mmc_io_request *, int result);};struct mmc_media_module {	int (*init)(void);	void (*cleanup)(void);};/* Calls made by the media driver */extern int  mmc_register_media_driver( struct mmc_media_driver * );extern void mmc_unregister_media_driver( struct mmc_media_driver * );extern int  mmc_handle_io_request( struct mmc_io_request * );#endif  /* MMC_MMC_MEDIA_H */