msdc.c

一个复杂控制SD卡的例子,可以参考应用到手机上.

/*****************************************************************************
*  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).
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*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 *   msdc.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   driver functons for MSDC controller
 *   
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
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 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================ 
 ****************************************************************************/ 
#include "kal_release.h"
#include "stack_common.h"  
#include "stack_msgs.h"
#include "app_ltlcom.h"       /* Task message communiction */
#include "syscomp_config.h"
#include "task_config.h"
#include "stacklib.h"
#include "intrCtrl.h"
#include "reg_base.h"
#include "drvpdn.h"
#include "eint.h"
#include "gpt_sw.h"
#include "drv_comm.h"
#include "fat_fs.h"
#include "msdc_def.h"
#include "sd_def.h"
#if defined(__MSDC_SD_MMC__)&&defined(__MSDC_SD_SDIO__)
#include "sdio_sw.h"
#endif
#if defined(__MSDC_MS__)
#include "ms_def.h"
#elif defined(__MSDC_MSPRO__)
#include "mspro_def.h"
#endif
#include "upll_ctrl.h"
#include "gpio_hw.h"
#include "gpio_sw.h"
#include "sim_hw.h"
#ifdef __MULTI_BOOT__
#include "syscomp_config.h"
#include "multiboot_config.h"
#endif   /*__MULTI_BOOT__*/
#include "sim_hw.h"

#ifdef DRV_LSD
#include "msdc_lsd.h"
#endif


#if (defined(__MSDC_MS__) || defined(__MSDC_SD_MMC__)|| defined(__MSDC_MSPRO__))

#ifdef MSDC_DMA
#include "dma_hw.h"
#include    "dma_sw.h"
#include "drv_hisr.h"

kal_uint8	msdc_dmaport;
static DMA_INPUT	msdc_input;
static DMA_HWMENU	msdc_menu;
#endif

#ifdef MSDC_INT
kal_eventgrpid MSDC_Events;
#endif

/*
#if !(defined __MSDC_NOT_SUPPORT_HOT_PLUG__)
#if defined(MT6218B_FN) || defined(MT6219_EV) ||defined(MT6217)||defined(MT6227)||defined(MT6226)||defined(MT6226M)\
		|| defined(MT6225)
#define USE_INT26_CARD_DETECTION
#endif
#endif
*/

// global variable
MSDC_HANDLE MSDC_Blk[SD_NUM];
MSDC_HANDLE	*gMSDC_Handle = &MSDC_Blk[0];

#ifdef  __TST_WRITE_TO_FILE_ONLY__
/*error recording: add this additional global variable to use when in error recording*/
MSDC_HANDLE MSDC_ErrorRecordingBlk;
#endif

kal_uint32 MSDC_Sector[128] = {0};
kal_bool send_ilm; // indicate sending ilm to FMT or not

#if defined(__SIM_PLUS__)