visual_comm.c

最新MTK手机软件源码

/*****************************************************************************
*  Copyright Statement:
*  --------------------
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*  herein is confidential. The software may not be copied and the information
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/*****************************************************************************
 *
 * Filename:
 * ---------
 *   visual_comm.c
 *
 * Project:
 * --------
 *		MT6218B and MT6219
 *
 * Description:
 * ------------
 *   common memory management code for MT6218B and MT6219
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * removed!
 * removed!
 * removed!
 *
 * removed!
 * removed!
 * removed!
 *
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/
#include "drv_comm.h"
#if ( (!defined(MT6208)) && (!defined(FPGA)) && (!defined(MT6205)) && (!defined(MT6205B)) && (!defined(MT6218)) )
/*(MT6217)||(MT6218B)||(MT6219)||(MT6226)||(MT6227)||(MT6226M)||(MT6228)||(MT6229)*/

#include "visual_comm.h"
#if ( (!defined(MT6217)) && (!defined(MT6218B)) )
/*(MT6219)||(MT6226)||(MT6227)||(MT6226M)||(MT6228)||(MT6229)*/
   #include "imgproc.h"
   #include "imgdma.h"
   #include "resizer.h"
#endif   /*(MT6219)||(MT6226)||(MT6227)||(MT6226M)||(MT6228)||(MT6229)*/

VISUAL_MEM_STRUCT visual_mem;
static kal_uint8 slp_handle;
extern void image_data_path_init(void);

void Visual_Init(void)
{
   visual_hisr_init();
   image_data_path_init();
#ifdef MTK_SLEEP_ENABLE
   slp_handle = L1SM_GetHandle();
#endif   /*MTK_SLEEP_ENABLE*/
}

void extmem_init(void *start_ptr,kal_uint32 length)
{
   ASSERT( (((kal_uint32)start_ptr&0x03)==0)&&(visual_mem.ext_ram_init==KAL_FALSE) );
   visual_mem.ext_ram_start_ptr = (kal_uint32 *)start_ptr;
   visual_mem.ext_ram_total_length = length;
   visual_mem.ext_ram_index = 0;
   visual_mem.ext_ram_init = KAL_TRUE;
}

void *extmem_get_buffer(kal_uint32 size)
{
   void *ptr;
	ptr = (void *)&visual_mem.ext_ram_start_ptr[visual_mem.ext_ram_index];
	visual_mem.ext_ram_index += ((size+3)>>2);
	if ((visual_mem.ext_ram_index*4) > visual_mem.ext_ram_total_length)
		ASSERT(0);
	return ptr;
}

void extmem_deinit(void)
{
   visual_mem.ext_ram_total_length = 0;
   visual_mem.ext_ram_init = KAL_FALSE;
}

void intmem_init(void *start_ptr,kal_uint32 length)
{
   ASSERT( (((kal_uint32)start_ptr&0x03)==0)&&(visual_mem.int_ram_init==KAL_FALSE) );
   visual_mem.int_ram_start_ptr = (kal_uint32 *)start_ptr;
   visual_mem.int_ram_total_length = length;
   visual_mem.int_ram_index = 0;
   visual_mem.int_ram_init = KAL_TRUE;
}

void *intmem_get_buffer(kal_uint32 size)
{
   void *ptr;
	ptr = (void *)&visual_mem.int_ram_start_ptr[visual_mem.int_ram_index];
	visual_mem.int_ram_index += (((size+3)>>2));
	if ((visual_mem.int_ram_index*4) > visual_mem.int_ram_total_length)
		ASSERT(0);
	return ptr;
}

void intmem_deinit(void)
{
   visual_mem.int_ram_total_length = 0;
   visual_mem.int_ram_init = KAL_FALSE;
}

void visual_disable_sleep(void)
{
   #ifdef MTK_SLEEP_ENABLE
      L1SM_SleepDisable(slp_handle);
   #endif /*MTK_SLEEP_ENABLE*/
}

void visual_enable_sleep(void)
{
   #ifdef MTK_SLEEP_ENABLE
      L1SM_SleepEnable(slp_handle);
   #endif /*MTK_SLEEP_ENABLE*/
}

#endif /* MT6218B, MT6219 */