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📄 dma.c

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/*****************************************************************************
*  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:
 * ---------
 *    dma.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   This Module defines the DMA driver.
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
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 *============================================================================
 ****************************************************************************/

#if ( (defined(MT6205)) || (defined(MT6205B)) || (defined(MT6208)) || (defined(FPGA)) )

#include "drv_comm.h"
#include "drv_hisr.h"
#include "reg_base.h"
#include "intrCtrl.h"
#include "drvpdn.h"
#include "dma_hw.h"
#include "dma_sw.h"
#include "lcd_if.h"
#include "che_sw.h"


//extern void UART_SetDMAIntr(void);
dma_func DMA_CallBac;

extern void DMA_USBTxLISR(void);
extern void DMA_USBRxLISR(void);

static void DMA_HISR(void);


/*
* FUNCTION
*	DMA1_CheckRunStat
*
* DESCRIPTION
*   	Check whether DAM1 is in running
*
* CALLS
*
* PARAMETERS
*	None
*
* RETURNS
*	KAL_TRUE, DMA1 is running
*	KAL_FALSE, DMA1 is stoped
*
* GLOBALS AFFECTED
*   external_global
*/
kal_bool DMA1_CheckRunStat(void)
{
	kal_uint16 tmp;
	tmp = DRV_Reg(DMA_GLBSTS);
	if (tmp & DMA_GLBSTS_RUN1)
		return KAL_TRUE;
	else
		return KAL_FALSE;
}

/*
* FUNCTION
*	DMA1_CheckITStat
*
* DESCRIPTION
*   	Check whether DAM1 has an interrupt pending
*
* CALLS
*
* PARAMETERS
*	None
*
* RETURNS
*	KAL_TRUE, DMA1 has an interrupt pending
*	KAL_FALSE, DMA1 doesn't have any interrupt pending
*
* GLOBALS AFFECTED
*   external_global
*/
kal_bool DMA1_CheckITStat(void)
{
	kal_uint16 tmp;
	tmp = DRV_Reg(DMA_GLBSTS);
	if (tmp & DMA_GLBSTS_IT1)
		return KAL_TRUE;
	else
		return KAL_FALSE;
}

/*
* FUNCTION
*	DMA1_Init
*
* DESCRIPTION
*   	DMA1 intialize the src addr, dst addr, and transfer size
*
* CALLS
*
* PARAMETERS
*	None
*
* RETURNS
*	None
*
* GLOBALS AFFECTED
*   external_global
*/
void DMA1_Init(kal_uint32 src, kal_uint32 dst, kal_uint16 count,void func(void))
{
	kal_uint16 LSB;
	kal_uint16 MSB;

	LSB = (kal_uint16)src;
	MSB = (kal_uint16)(src >> 16);
	DRV_WriteReg(DMA1_MSBSRC,MSB);
   DRV_WriteReg(DMA1_LSBSRC,LSB);
	LSB = (kal_uint16)dst;
	MSB = (kal_uint16)(dst >> 16);
	DRV_WriteReg(DMA1_MSBDST,MSB);
   DRV_WriteReg(DMA1_LSBDST,LSB);
   DRV_WriteReg(DMA1_COUNT,count);

	DMA_CallBac.dma1_func = func;
}

/*
* FUNCTION
*	DMA2_CheckRunStat
*
* DESCRIPTION
*   	Check whether DAM2 is in running
*
* CALLS
*
* PARAMETERS
*	None
*
* RETURNS
*	KAL_TRUE, DMA2 is running
*	KAL_FALSE, DMA2 is stoped
*
* GLOBALS AFFECTED
*   external_global
*/
kal_bool DMA2_CheckRunStat(void)
{
	kal_uint16 tmp;
	tmp = DRV_Reg(DMA_GLBSTS);
	if (tmp & DMA_GLBSTS_RUN2)
		return KAL_TRUE;
	else
		return KAL_FALSE;
}

/*
* FUNCTION
*	DMA2_CheckITStat
*
* DESCRIPTION
*   	Check whether DAM2 has an interrupt pending
*
* CALLS
*
* PARAMETERS
*	None
*
* RETURNS
*	KAL_TRUE, DMA2 has an interrupt pending
*	KAL_FALSE, DMA2 doesn't have any interrupt pending
*
* GLOBALS AFFECTED
*   external_global
*/
kal_bool DMA2_CheckITStat(void)
{
	kal_uint16 tmp;
	tmp = DRV_Reg(DMA_GLBSTS);
	if (tmp & DMA_GLBSTS_IT2)
		return KAL_TRUE;
	else
		return KAL_FALSE;
}

/*
* FUNCTION
*	DMA1_Init
*
* DESCRIPTION
*   	DMA1 intialize the src addr, dst addr, and transfer size
*
* CALLS
*
* PARAMETERS
*	None
*
* RETURNS
*	None
*
* GLOBALS AFFECTED
*   external_global
*/
void DMA2_Init(kal_uint32 src, kal_uint32 dst, kal_uint16 count,void func(void))
{
	kal_uint16 LSB;
	kal_uint16 MSB;

	LSB = (kal_uint16)src;
	MSB = (kal_uint16)(src >> 16);
	DRV_WriteReg(DMA2_MSBSRC,MSB);
	DRV_WriteReg(DMA2_LSBSRC,LSB);
	LSB = (kal_uint16)dst;
	MSB = (kal_uint16)(dst >> 16);
   DRV_WriteReg(DMA2_MSBDST,MSB);
	DRV_WriteReg(DMA2_LSBDST,LSB);
   DRV_WriteReg(DMA2_COUNT,count);
	DMA_CallBac.dma2_func = func;
}

/*
* FUNCTION
*	DMA_LISR
*
* DESCRIPTION
*   	DMA interrupt handler
*
* CALLS
*
* PARAMETERS
*	None
*
* RETURNS
*	None
*
* GLOBALS AFFECTED
*   external_global
*/
void DMA_HISR(void)
{
	if ((DRV_Reg(DMA1_INTSTS))& DMA_INTSTS_MASK)
	{
	   DMA1_Stop();
	   DMA1_ACKI();
	   DMA_CallBac.dma1_func();
	}

	if ((DRV_Reg(DMA2_INTSTS))& DMA_INTSTS_MASK)
	{
	   DMA2_Stop();
	   DMA2_ACKI();
	   DMA_CallBac.dma2_func();
	}
	IRQClearInt(IRQ_DMA_CODE);
	IRQUnmask(IRQ_DMA_CODE);
}

void DMA_LISR(void)
{
   IRQMask(IRQ_DMA_CODE);

   drv_active_hisr(DRV_DMA_HISR_ID);
}

void DMA_Ini(void)
{
   DRV_Reg(DRVPDN_CON0) &= ~DRVPDN_CON0_DMA;

   IRQ_Register_LISR(IRQ_DMA_CODE, DMA_LISR,"DMA handler");

   DRV_Register_HISR(DRV_DMA_HISR_ID, DMA_HISR);

   IRQSensitivity(IRQ_DMA_CODE,LEVEL_SENSITIVE);

   IRQUnmask(IRQ_DMA_CODE);
}

#else /* MT6205 || MT6208 || MT6205B || FPGA */

#include "drv_comm.h"
#include "drv_hisr.h"
#include "reg_base.h"
#include "intrCtrl.h"
#include "dma_hw.h"
#include "dma_sw.h"
#include "drvpdn.h"
#include "lcd_if.h"
#include "uart_sw.h"
#include "che_sw.h"

typedef void (* VOID_FUNC)(void);

extern void DMA_USBTxLISR(void);
extern void DMA_USBRxLISR(void);
//extern void UART_SetDMAIntr(void);
extern void UART_TrxHandler_VFIFO(void *parameter);
extern void UART_RecHandler_VFIFO(void *parameter);
extern UARTStruct UARTPort[MAX_UART_PORT_NUM];
extern kal_uint32 kal_get_mytask_priority(void);

void DMA_ERROR_LISR(void);

#ifdef MT6218
VOID_FUNC DMA_LISR_FUNC[DMA_MAX_CHANNEL] = 
{
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR
};
#elif defined(MT6218B) || defined(MT6217)
VOID_FUNC DMA_LISR_FUNC[DMA_MAX_CHANNEL] = 
{
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR
};
#else
VOID_FUNC DMA_LISR_FUNC[DMA_MAX_CHANNEL] = 
{
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
   DMA_ERROR_LISR,
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