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

/*****************************************************************************
 *
 * Filename:
 * ---------
 *   msdc.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   driver functons for MSDC controller
 *   
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
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 *============================================================================ 
 ****************************************************************************/ 
#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"

#ifdef __MULTI_BOOT__
#include "syscomp_config.h"
#include "multiboot_config.h"
#endif   /*__MULTI_BOOT__*/

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

// system control blocks

// function predeclaration
void MSDC_DMAInit(void);
void MSDC_INT_Init(void);
void MSDC_DMA_Callback(void);
void MSDC_EINT_Handler(void);

extern void GPIO_ModeSetup(kal_uint16 pin, kal_uint16 conf_dada);
extern boot_mode_type stack_query_boot_mode(void); 
extern kal_bool INT_USBBoot(void);
/*************************************************************************
* FUNCTION
*  MSDC_SetClock
*
* DESCRIPTION
*
* PARAMETERS
*	clock: the desired operating clock rate in the unit of kHz
*
* RETURNS
*
* GLOBALS AFFECTED
*
*************************************************************************/
void MSDC_SetClock(kal_uint32 clock)
{
	kal_uint32 cfg;

	MSDC_CLR_BIT32(SDC_CFG,SDC_CFG_SIEN);
	cfg = ((gMSDC_Handle.msdc_clock+clock-1)/clock);
	if(cfg <=2 )
	{		
		cfg = 0;
		gMSDC_Handle.op_clock = gMSDC_Handle.msdc_clock/2;
	}
	else
	{
		cfg = (cfg >> 2) + (cfg&3 != 0);	
		gMSDC_Handle.op_clock = gMSDC_Handle.msdc_clock/(4*cfg);
	}
	BitFieldWrite32((kal_uint32*)MSDC_CFG,(kal_uint32)cfg,MSDC_CFG_SCLKF);
	MSDC_SET_BIT32(SDC_CFG,SDC_CFG_SIEN);
	
}
/*************************************************************************
* FUNCTION
*  MSDC_Check_Card_Present
*
* DESCRIPTION
*	c
*
* PARAMETERS
*	ON: turn on power saving or not
*
* RETURNS
*
* GLOBALS AFFECTED
*
*
*************************************************************************/
kal_bool MSDC_Check_Card_Present(void)
{
#if !defined(__MSDC_NOT_SUPPORT_HOT_PLUG__)
	return gMSDC_Handle.mIsPresent;
#else
	return KAL_TRUE;
#endif
}
/*************************************************************************
* FUNCTION
*  MSDC_PDNControl
*
* DESCRIPTION
*	Enable power saving or not.
*
* PARAMETERS
*	ON: turn on power saving or not
*
* RETURNS
*
* GLOBALS AFFECTED
*
*
*************************************************************************/
void MSDC_PDNControl(kal_bool ON)
{
	gMSDC_Handle.mIsPWDown = ON;
	if(ON)
	{	// OFF		
		// clear all pending IRQ
		MSDC_CLR_INT();
		MSDC_CLR_INT();
		#if 0 //!defined(MSDC_USE_INT)
/* under construction !*/
		#endif
		#if defined(MSDC_USE_USB_CLK) && defined(__MSDC_SD_MMC__)
		if(gSD.flags & SD_FLAG_USE_USB_CLK)
			UPLL_Disable(UPLL_OWNER_MSDC);
		#endif
		DRVPDN_Enable(DRVPDN_CON1,DRVPDN_CON1_MSDC,PDN_MSDC);