usbms_msdc.c

8032底层驱动部分。因为可以移植 所以单独来拿出来

/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. 
*
*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
*
*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 *    usbms_msdc.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *  This file implements usb adaption layer of msdc card for mass storage
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 * removed!
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================ 
 ****************************************************************************/
#include "drv_comm.h"
#include "gpt_sw.h"
#include "usb_comm.h"
#include "usb_drv.h"
#include "usb.h"
#include "usbms_utils.h"
#include "usbms_drv.h"
#include "usbms_adap.h"
#include "usb_custom.h"

#include "msdc_def.h"
#include "rtfiles.h"
#include "fat_fs.h"

/***********************************************
	MS and SD Disk Related functions
************************************************/

#ifdef __MSDC_MS__
	#include "ms_def.h"
	extern FS_Driver FS_MsDrv;
	FS_Driver *CardDrv = &FS_MsDrv;
#elif defined(__MSDC_MSPRO__)	
	#include "mspro_def.h"	
	extern FS_Driver FS_MspDrv;   
	FS_Driver *CardDrv = &FS_MspDrv;		
#elif defined(__MSDC_SD_MMC__)
	#include "sd_def.h"
	extern FS_Driver FS_SdDrv;
	FS_Driver *CardDrv = &FS_SdDrv;
#endif

#if ( (defined(__MSDC_MS__)) || (defined(__MSDC_SD_MMC__)) || (defined(__MSDC_MSPRO__)) )
static kal_bool usbms_read_msdc(void *data, kal_uint32 LBA, kal_uint16 sec_len)
{
	kal_int32 status;
	ASSERT(CardDrv != NULL);
	status = CardDrv->ReadSectors(NULL, LBA, sec_len, data);

	if(status)
		return KAL_FALSE;

	return KAL_TRUE;
}

static kal_bool usbms_write_msdc(void *data, kal_uint32 LBA, kal_uint16 sec_len)
{
	kal_int32 status;
	ASSERT(CardDrv != NULL);
	status = CardDrv->WriteSectors(NULL, LBA, sec_len, data);

	if(status)
		return KAL_FALSE;

	return KAL_TRUE;
}

/*
typedef  enum{
 	USB_MS_EXIST,
 	USB_MS_CHANGED,
 	USB_MS_NOT_EXIST,
 	USB_MS_LOCKED
}USB_MS_EXIST_ENUM;
*/
/*status =0(ok),1(MediaChanged),2(NoMedia)*/
static kal_uint8 usbms_checkmedia_exist_msdc(void)
{
	kal_bool changed;

	changed = MSDC_GetMediaChanged();
	if(changed)
	{
		//return USB_MS_CHANGED;
		return USB_STORAGE_DEV_STATUS_MEDIA_CHANGE;
	}
		
	if(gMSDC_Handle.mIsPresent)
	{
		#if defined(__MSDC_SD_MMC__)
		if(gSD.mWPEnabled)
		{		
			//return USB_MS_LOCKED;
			return USB_STORAGE_DEV_STATUS_WP;
		}
		#endif
		#if defined(__MSDC_MS__)
		if(gMS.is_wp)
		{
			//return USB_MS_LOCKED;
			return USB_STORAGE_DEV_STATUS_WP;
		}
		#endif	
		#if defined(__MSDC_MSPRO__)		
		if(gMSP.is_wp)		
		{			
			//return USB_MS_LOCKED;		
			return USB_STORAGE_DEV_STATUS_WP;
		}					
		#endif
		//return USB_MS_EXIST;
		return USB_STORAGE_DEV_STATUS_OK;
	}
	
	//return USB_MS_NOT_EXIST;   
	return USB_STORAGE_DEV_STATUS_NOMEDIA;
}

static kal_bool usbms_format_msdc(void)
{
	kal_uint32 status;
	
	ASSERT(CardDrv != NULL);
	status = CardDrv->MountDevice(NULL,0,0,0);
	if(status != 512)
		return KAL_FALSE;

	return KAL_TRUE;  
}

static kal_bool usbms_prevmedia_removal_msdc(kal_bool enable)
{
	return KAL_TRUE;
}

static kal_bool usbms_read_capacity_msdc(kal_uint32 *max_lba, kal_uint32 *sec_len)
{
	kal_int32 status;

	ASSERT(CardDrv != NULL);
	status = CardDrv->MountDevice(NULL, 0, 0, 0);
	if(status != 512)
		return KAL_FALSE;

	#if defined(__MSDC_MS__)   	
		*max_lba = gMS.TotalSectors-1;   
	#elif defined(__MSDC_MSPRO__)   	
		*max_lba = gMSP.user_block*gMSP.block_size-1;   
	#elif defined(__MSDC_SD_MMC__)
		*max_lba = gSD.mBKNum-1;
	#endif
	*sec_len =512;
	return KAL_TRUE;
}

static kal_bool usbms_read_formatcapacity_msdc(kal_uint32 *no_of_blks, kal_uint32 *blk_len)
{
	kal_int32 status;

	ASSERT(CardDrv != NULL);
	status = CardDrv->MountDevice(NULL, 0, RTF_DEVICE_FDISK, 0);
	if(status != 512)
		return KAL_FALSE;

	#if defined(__MSDC_MS__)   	
		*no_of_blks = gMS.TotalSectors;   
	#elif defined(__MSDC_MSPRO__)   	
		*no_of_blks = gMSP.user_block*gMSP.block_size;   
	#elif defined(__MSDC_SD_MMC__)
		*no_of_blks = gSD.mBKNum;
	#endif
	*blk_len =512;
	return KAL_TRUE;
}

static USB_STORAGE_DEV_TYPE usbms_read_dev_type_msdc(void)
{
	return USB_STORAGE_DEV_CARD;
}

USB_DiskDriver_STRUCT USB_MSDC_drv = 
{
	usbms_read_msdc,
	usbms_write_msdc,
	usbms_format_msdc,
	usbms_checkmedia_exist_msdc,
	usbms_prevmedia_removal_msdc,
	usbms_read_capacity_msdc,
	usbms_read_formatcapacity_msdc,
	usbms_read_dev_type_msdc
};
#endif   /*__MSDC_MS__,__MSDC_SD_MMC__*/