/* 
   -*- linux-c -*-

   *  Copyright (c) 2004-2006 Winbond Electronics Corp. All rights reserved.
   *
   *  The contents of this file are subject to the Open
   *  Software License version 1.1 that can be found at
   *  http://www.opensource.org/licenses/osl-1.1.txt and is included herein
   *  by reference.
   *
   *  Alternatively, the contents of this file may be used under the terms
   *  of the GNU General Public License version 2 (the "GPL") as distributed
   *  in the kernel source COPYING file, in which case the provisions of
   *  the GPL are applicable instead of the above.  If you wish to allow
   *  the use of your version of this file only under the terms of the
   *  GPL and not to allow others to use your version of this file under
   *  the OSL, indicate your decision by deleting the provisions above and
   *  replace them with the notice and other provisions required by the GPL.
   *  If you do not delete the provisions above, a recipient may use your
   *  version of this file under either the OSL or the GPL.
   *

   Maintained by:
		Weiming         <wmwu AT winbond.com>
                Shuai Jin       <jin.shuai AT gmail.com>
                Yuan Mu         <ymu AT winbond.com>
                Dezheng Shen    <dzshen AT gmail.com>

   $Author: dzshen $             
   $Id: wbmsreader.h,v 1.5.2.4 2006/06/15 01:51:06 dzshen Exp $
   --- don't modify lines above ---

   Description: 

   Enviornments: 
   (1) RedHat 9 on 32-bit Intel UP/32-bit Intel dual-core
   (2) Fedora Core 4 (2.6.11) on 32-bit Intel/32-bit Intel dual-core/64-bit AMD/64-bit Intel dual-core
   (3) RedHat Enterprise Workstatin Rel 4 UP2 (2.6.9) on 32-bit Intel
   32-bit Intel dual-core/64-bit AMD/64-bit Intel dual-core

*/

#ifndef _WB_MS_READER_H_
#define _WB_MS_READER_H_

#define WREADER_PIO		0
#define WREADER_DMA		1

static void *wbreader_detect(void);
static int wbreader_release(void);

//send TPC Command and wait untill INT, but needn't justify cmd result
//Result:                                                                                   
//              If CMD send (not exec) successful and MS working at Parallel Mode, 
//                 bit3 to bit0 should be |CED|ERR|BREQ|CMDNK|, or it should be 0.
//           If CMD send error, such as TIMEOUT,the result should below zero.
static int wbreader_issue_cmd(unsigned char cmd, unsigned char *param,
			      int length);
// Read TPC Command result (from FIFO or orther register)
//static int wbreader_get_cmd_response(unsigned char *buff, int length);
static int wbreader_prepare_transfer(unsigned char *buff, unsigned int length,
				     unsigned char read_wrt_flag);
static int wbreader_transfer_data(unsigned char *buff, unsigned int length,
				  unsigned char read_wrt_flag, int dma_mode);

#define WSTATE_FIFO_SIZE		1
#define WSTATE_PRESENT			(1<<1)
#define WSTATE_CHANGED			(1<<2)
#define WSTATE_TRANSFER_CAPABILITY			(1 << 3)
#define WSTATE_CARD_TYPE						(1<<4)
static int wbreader_get_state(int which_state);
static int wbreader_set_state(int which_state, int state);

//whichconfig defined here
#define WCONFIG_INTERFACE	0x01
#define WCONFIG_CLOCK		0x02
#define WCONFIG_PREPARE_INIT_CARD	0x04

#define WIF_SERIAL		0
#define WIF_PARALLEL	1

static int wbreader_set_config(unsigned char which_config, unsigned int config);

#endif				/* _WB_MS_READER_H_ */