imgdma.c

最新MTK手机软件源码

/*****************************************************************************
*  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
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*
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/*****************************************************************************
 *
 * Filename:
 * ---------
 *    imgdma.c
 *
 * Project:
 * --------
 *   Maui_Software
 *
 * Description:
 * ------------
 *   Driver of image dma
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
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 *============================================================================
 ****************************************************************************/
#include "Drv_comm.h"
#include "reg_base.h"
#include "intrCtrl.h"
#include "visual_comm.h"
#include "imgproc.h"
#include "imgdma.h"
#include "visualhisr.h"
#include "drvpdn.h"
#include "img_comm.h"

extern kal_bool MPEG4_RECODE_START;

extern kal_uint8 current_video_buffer_count;
extern kal_uint32 mpeg4_video_buffer[2];

void video_enc_reset_buffer_counter(void)
{
	current_video_buffer_count=0;
}
#if (defined(MT6219)||defined(MT6226)||defined(MT6226M)||defined(MT6227))

/*
Note:
1. Interrupt is always enabled after configuration
2. IMGDMA_Init should be called first and only once.
3. Open the IMGDMA with owner id
4. allocate the control sturcture blocks(permanent)for the related channels
4. Call the config function to initialize the related channel before start
5. start the IMGDMA
6. stop immediately
7. Close the IMGDMA

*/

static IMGDMA_DCB_STRUCT imgdma_dcb;

/*
* FUNCTION
*	   IMGDMA_LISR_Entry
*
* DESCRIPTION
*   	lisr function fo IMGDMA
*
* CALLS
*
* PARAMETERS
*
* RETURNS
*	   None
*
* GLOBALS AFFECTED
*     None
*/
void INTERN IMGDMA_LISR_Entry(void)
{
	kal_uint32 reg;

   IRQMask(IRQ_IMGDMA_CODE);
   reg = DRV_Reg32(IMGDMA_STA);
	ASSERT(reg != 0);
	// first run of VDO
 	if (reg & IMGDMA_STA_TWCIT)
	{
	   IMGDMA_ACKI(IMGDMA_STA_TWCIT);
	   //if(imgdma_dcb.cb[IMGDMA_ALL_CH] != NULL)
  		if (MPEG4_RECODE_START==KAL_TRUE)
		{
		   imgdma_dcb.cb[IMGDMA_ALL_CH](mpeg4_video_buffer[current_video_buffer_count]);
		}
		current_video_buffer_count++;
		current_video_buffer_count &= 0x1;
	}
	// interrupts may occur simutaneusly
	else if(reg & IMGDMA_STA_JPEGIT)
	{
	   IMGDMA_ACKI(IMGDMA_STA_JPEGIT);
	   imgdma_dcb.state[IMGDMA_JPEG_CH] = IMGDMA_READY;
	   //if(imgdma_dcb.cb[IMGDMA_JPEG_CH] != NULL)
	   imgdma_dcb.cb[IMGDMA_JPEG_CH]();
	   imgdma_dcb.stop_cb[IMGDMA_JPEG_CH] = KAL_FALSE;

	}
	else if(reg & IMGDMA_STA_IBW2IT)
	{
	   IMGDMA_ACKI(IMGDMA_STA_IBW2IT);
	   imgdma_dcb.state[IMGDMA_IBW2_CH] = IMGDMA_READY;
	   //if(imgdma_dcb.cb[IMGDMA_IBW2_CH] != NULL)
		imgdma_dcb.cb[IMGDMA_IBW2_CH]();
	   imgdma_dcb.stop_cb[IMGDMA_IBW2_CH] = KAL_FALSE;
	}
	else if(reg & IMGDMA_STA_IBW1IT)
	{
	   IMGDMA_ACKI(IMGDMA_STA_IBW1IT);
	   imgdma_dcb.state[IMGDMA_IBW1_CH] = IMGDMA_READY;
	   //if(imgdma_dcb.cb[IMGDMA_IBW1_CH] != NULL)
		imgdma_dcb.cb[IMGDMA_IBW1_CH]();
	   imgdma_dcb.stop_cb[IMGDMA_IBW1_CH] = KAL_FALSE;
	}
	else if(reg & IMGDMA_STA_IBR1IT)
	{
	   IMGDMA_ACKI(IMGDMA_STA_IBR1IT);
	   imgdma_dcb.state[IMGDMA_IBR1_CH] = IMGDMA_READY;
	   //if(imgdma_dcb.cb[IMGDMA_IBR1_CH] != NULL)
		imgdma_dcb.cb[IMGDMA_IBR1_CH]();
	   imgdma_dcb.stop_cb[IMGDMA_IBR1_CH] = KAL_FALSE;
	}
	// second run of resizing
	else if(reg & IMGDMA_STA_VDOIT)
	{
	   IMGDMA_ACKI(IMGDMA_STA_VDOIT);
	   imgdma_dcb.state[IMGDMA_VDO_CH] = IMGDMA_READY;
	   //if(imgdma_dcb.cb[IMGDMA_VDO_CH] != NULL)
	   imgdma_dcb.cb[IMGDMA_VDO_CH]();
	   imgdma_dcb.stop_cb[IMGDMA_VDO_CH] = KAL_FALSE;
	}
	IRQUnmask(IRQ_IMGDMA_CODE);
}

/*
* FUNCTION
*	   IMGDMA_Init
*
* DESCRIPTION
*   	initialize the IMGDMA software blocks
*
* CALLS
*
* PARAMETERS
*
* RETURNS
*	   None
*
* GLOBALS AFFECTED
*     None
*/
kal_int32 API IMGDMA_Init(void)
{
   IRQ_Register_LISR(IRQ_IMGDMA_CODE, IMGDMA_LISR_Entry,"IMGDMA");
	IRQSensitivity(IRQ_IMGDMA_CODE,LEVEL_SENSITIVE);
	IRQUnmask(IRQ_IMGDMA_CODE);
	kal_mem_set(&imgdma_dcb,0,sizeof(IMGDMA_DCB_STRUCT));

	return NO_ERROR;
}

/*
* FUNCTION
*	   IMGDMA_JpegConfig
*
* DESCRIPTION
*   	configure the jpeg channel
*
* CALLS
*
* PARAMETERS
*
* RETURNS
*	   None
*
* GLOBALS AFFECTED
*     None
*/
kal_int32 API IMGDMA_JpegConfig(IMGDMA_JPEG_STRUCT *s, kal_bool start, MMDI_SCENERIO_ID owner)
{
	kal_uint32 reg = 0;

	ASSERT(owner == imgdma_dcb.owner);
	ASSERT(imgdma_dcb.state[IMGDMA_JPEG_CH] != IMGDMA_BUSY);
	imgdma_dcb.cb[IMGDMA_JPEG_CH] = s->cb;
	if(s->cb)
		reg = IMGDMA_JPEG_CON_IT;
	if(s->gray)
		reg |= IMGDMA_JPEG_CON_GRAY;
	DRV_WriteReg32(IMGDMA_JPEG_CON,reg);

	DRV_WriteReg32(IMGDMA_JPEG_BSADDR, s->bs);
	DRV_WriteReg32(IMGDMA_JPEG_HSIZE, s->width-1);
	DRV_WriteReg32(IMGDMA_JPEG_VSIZE, s->height-1);
	DRV_WriteReg32(IMGDMA_JPEG_FIFOLEN, s->fifo);
	imgdma_dcb.state[IMGDMA_JPEG_CH] = IMGDMA_READY;

	if(start)
	{
		IMGDMA_Start(IMGDMA_JPEG_CH, owner);
	}

	return NO_ERROR;
}

/*
* FUNCTION
*	   IMGDMA_VdoConfig
*
* DESCRIPTION
*   	configure the vdo channel
*
* CALLS
*
* PARAMETERS
*
* RETURNS
*	   None
*
* GLOBALS AFFECTED
*     None
*/
kal_int32 API IMGDMA_VdoConfig(IMGDMA_VDO_STRUCT *s, kal_bool start, MMDI_SCENERIO_ID owner)
{
	kal_uint32 reg = 0;

	ASSERT(owner == imgdma_dcb.owner);
	ASSERT(imgdma_dcb.state[IMGDMA_VDO_CH] != IMGDMA_BUSY);

	if(s->cb1)
	{
		reg = IMGDMA_VDO_CON_TWCIT;
		imgdma_dcb.cb[IMGDMA_ALL_CH] = s->cb1;
	}
	else if(s->cb2)
	{
		reg = IMGDMA_VDO_CON_DONEIT;
		imgdma_dcb.cb[IMGDMA_VDO_CH] = s->cb2;
	}

	if(s->dir == IMGDMA_MPEG4_ENCODE)
		reg |= IMGDMA_VDO_CON_DIR;
	if(s->twice)
	{
		reg |= IMGDMA_VDO_CON_TWC;
		imgdma_dcb.twice = KAL_TRUE;
	}
	if(s->restart)
		reg |= IMGDMA_VDO_CON_AUTORSTR;

	//reg |= IMGDMA_VDO_CON_TWCIT;
	DRV_WriteReg32(IMGDMA_VDO_CON, reg);

	DRV_WriteReg32(IMGDMA_VDO_BSADDR1, s->bs1);
	DRV_WriteReg32(IMGDMA_VDO_BSADDR2, s->bs2);
	DRV_WriteReg32(IMGDMA_VDO_HSIZE, s->width);
	DRV_WriteReg32(IMGDMA_VDO_VSIZE, s->height);
	imgdma_dcb.state[IMGDMA_VDO_CH] = IMGDMA_READY;

	if(start)
	{
		IMGDMA_Start(IMGDMA_VDO_CH, owner);
	}

	return NO_ERROR;
}

/*
* FUNCTION
*	   IMGDMA_IBW1Config
*
* DESCRIPTION
*   	configure the IBW1 channel
*
* CALLS
*
* PARAMETERS
*
* RETURNS
*	   None
*
* GLOBALS AFFECTED
*     None
*/
kal_int32 API IMGDMA_IBW1Config(IMGDMA_IBW1_STRUCT *s, kal_bool start, MMDI_SCENERIO_ID owner)
{
	ASSERT(owner == imgdma_dcb.owner);
	ASSERT(imgdma_dcb.state[IMGDMA_IBW1_CH] != IMGDMA_BUSY);
	imgdma_dcb.cb[IMGDMA_IBW1_CH] = s->cb;
	if(s->cb)
		DRV_WriteReg32(IMGDMA_IBW1_CON, IMGDMA_IBW1_CON_IT);
	DRV_WriteReg32(IMGDMA_IBW1_BSADDR, s->bs);
	DRV_WriteReg32(IMGDMA_IBW1_PXLNUM, s->pxlnum-1);
	imgdma_dcb.state[IMGDMA_IBW1_CH] = IMGDMA_READY;

	if(start)
	{
		IMGDMA_Start(IMGDMA_IBW1_CH, owner);
	}

	return NO_ERROR;
}

/*
* FUNCTION
*	   IMGPROC_SetColorize
*
* DESCRIPTION
*   	Set the parameters for colorization
*
* CALLS
*
* PARAMETERS
*
* RETURNS
*	   None
*
* GLOBALS AFFECTED
*     None
*/
kal_int32 API IMGDMA_IBW2Config(IMGDMA_IBW2_STRUCT *s, kal_bool start, MMDI_SCENERIO_ID owner)
{
	kal_uint32 reg = 0;

	ASSERT(owner == imgdma_dcb.owner);
	ASSERT(imgdma_dcb.state[IMGDMA_IBW2_CH] != IMGDMA_BUSY);
	imgdma_dcb.cb[IMGDMA_IBW2_CH] = s->cb;