/* * 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 *//* *	SD Cards specific functions implemented * * Copyright 2003 MontaVista Software Inc. * Author: MontaVista Software, Inc. *	   source@mvista.com * *  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  SOFTWARE  IS PROVIDED	  ``AS	IS'' AND   ANY	EXPRESS OR IMPLIED *  WARRANTIES,	  INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN *  NO	EVENT  SHALL   THE AUTHOR  BE	 LIABLE FOR ANY	  DIRECT, INDIRECT, *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT *  NOT LIMITED	  TO, PROCUREMENT OF  SUBSTITUTE GOODS	OR SERVICES; LOSS OF *  USE, DATA,	OR PROFITS; OR	BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON *  ANY THEORY OF LIABILITY, WHETHER IN	 CONTRACT, STRICT LIABILITY, OR TORT *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * *  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., *  675 Mass Ave, Cambridge, MA 02139, USA. */  /* * Copyright 2004 Motorola, Inc. All Rights Reserved. * Revision History:                    Modification     Changed by            Date             Description of Changes----------------   ------------      -------------------------Li Xin             09/15/2004         USB 2.0 improve*/#ifndef MMC_MMC_CORE_H#define MMC_MMC_CORE_H#include <linux/mmc/mmc_ll.h>#include "mmc_media.h"#define ID_TO_RCA(x) ((x)+1)#ifdef CONFIG_USBD_ISP_BUS#define MAX_BUF_POOL_SIZE      20 #define MAX_WRITE_PENDING_REQUEST  18#define MAX_READ_AHEAD_REQUEST  4struct dma_buf_pool_s{        struct list_head dma_buf;        spinlock_t pool_lock;        unsigned int index;        unsigned char * dma_buf_pool_ptr;};                                                                                 struct read_request_pool_s{        unsigned int sector;        unsigned int nr_sectors;        struct dma_buf_pool_s * dma_buf;};void init_dma_buf_pool(struct dma_buf_pool_s * dma_buf_pool, struct list_head * head, unsigned int size);void release_dma_buf_pool(struct dma_buf_pool_s * dma_buf_pool, struct list_head * head, unsigned int size);struct dma_buf_pool_s * mas_get_dma_buf(struct list_head * head);void mas_release_dma_buf(struct list_head * head, struct dma_buf_pool_s * dma_buf);void mmc_set_max_size(unsigned int size);void mmc_block_read_request(int cmd, int sector, int nr_sectors, struct dma_buf_pool_s * * dma_buf);void mmc_block_write_request(int cmd, int sector, int nr_sectors, struct dma_buf_pool_s * dma_buf);#endifstruct mmc_dev {	struct mmc_slot_driver   *sdrive;	struct mmc_slot           slot[MMC_MAX_SLOTS];	struct mmc_request        request;               // Active request to the low-level driver	struct mmc_io_request    *io_request;            // Active transfer request from the high-level media io	struct mmc_io_request 	 *next_io_request;	 // Pending request 	struct tasklet_struct     task;	int    num_slots;                 // Copied from the slot driver; used when slot driver shuts down	/* State maintenance */	int    state;  	int    suspended;	void (*protocol)(struct mmc_dev *, int);};char * mmc_result_to_string( int );int    mmc_unpack_csd( struct mmc_request *request, struct mmc_csd *csd );int    mmc_unpack_r1( struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state );int    mmc_unpack_r6( struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state, int *rca);int    mmc_unpack_scr( struct mmc_request *request, struct mmc_response_r1 *r1, enum card_state state, u32 *scr);int    mmc_unpack_cid( struct mmc_request *request, struct mmc_cid *cid );int    mmc_unpack_r3( struct mmc_request *request, struct mmc_response_r3 *r3 );void   mmc_send_cmd( struct mmc_dev *dev, int cmd, u32 arg, 		     u16 nob, u16 block_len, enum mmc_rsp_t rtype );void   mmc_finish_io_request( struct mmc_dev *dev, int result );int    mmc_check_eject( struct mmc_dev *dev );int    mmc_check_insert( struct mmc_dev *dev );u32    mmc_tran_speed( u8 ts );int    mmc_match_media_driver( struct mmc_slot *slot );void   run_sbin_mmc_hotplug(struct mmc_dev *dev, int id, int insert);static inline void mmc_simple_cmd( struct mmc_dev *dev, int cmd, u32 arg, enum mmc_rsp_t rtype ){	mmc_send_cmd( dev, cmd, arg, 0, 0, rtype );}#endif  /* MMC_MMC_CORE_H */