hisilicon_logo.c

华为 HI3510 BOOTLOADER HIBOOT 源码包

#include <config.h>

#if defined(CONFIG_HI3560_LOGO)

#include <common.h>
#include "hi_i2c.h"
#include "hi_vda.h"
#include "hi_video.h"
#include "hi_vou.h"

#ifdef CFG_VIDEO_DATA_ADDR
#define VIDEO_DATA_BASE (CFG_VIDEO_DATA_ADDR) 
#else
#define VIDEO_DATA_BASE (0x62000000) 
#endif



extern unsigned int LoadJpegFile(void *pImg, void *logoaddr);
extern unsigned int ImgWidth, ImgHeight;

void initVOU(int out_format, int out_mode, int ctrl_mode)
{
	VIDEO_RECT_t LayerRect;

	VOU_SetOutputMode(out_format, out_mode, ctrl_mode);

	VOU_SetTvClip(1,0x10,0xf0,0x10,0xeb);

	VOU_LayerDefaultSetting(VIDEO_VOU_LAYER_OVER2);

	VOU_LayerSetDataType(
		VIDEO_VOU_LAYER_OVER2,
		PIXEL_FORMAT_RGB555 );

	VOU_LayerSetAlpha(VIDEO_VOU_LAYER_OVER2, 0x80, 0x80);

	LayerRect.x = 0;
	LayerRect.y = 0;
	LayerRect.w = ImgWidth;
	LayerRect.h = ImgHeight;
	VOU_LayerSetRect(VIDEO_VOU_LAYER_OVER2, LayerRect);

	VOU_LayerEnable(VIDEO_VOU_LAYER_OVER2);
	VOU_LayerSetAddrAndStride(
			VIDEO_VOU_LAYER_OVER2,
			VIDEO_DATA_BASE,
			0,
			ImgWidth * 2,
			0
			);
}

int show_logo(void)
{ 
	ulong logo_addr;
	char *s;
	int out_format = 0,out_mode = 0, res=0;
	
	if ((s = getenv ("logoaddr")) != NULL) 
	{
                logo_addr = simple_strtoul (s, NULL, 16);
        }else
	{
		return 1;	
	}

	if (*(volatile uchar *)logo_addr != 0xFF || *(volatile uchar *)(logo_addr+1) != 0xD8)
	{
		return 1;
	}

	init_mmu(PHYS_SDRAM_1, (PHYS_SDRAM_1 + 0x10000));
	start_mmu();
	
	if ((res = LoadJpegFile((void *)VIDEO_DATA_BASE, (void *)logo_addr)) != 0 )
	{
		stop_mmu();
		return 1;
	}
	
	stop_mmu();
#ifdef CFG_VIDEO_DATA_FORAMT
	out_format = CFG_VIDEO_DATA_FORAMT;
#endif

#ifdef CFG_VIDEO_OUTPUT_MODE
	out_mode = CFG_VIDEO_OUTPUT_MODE;
#endif
	if(out_format != 2)	
	{
		I2C_Init();
		VDA_Init(out_format, out_mode, VIDEO_MODE_SLAVER);
	}

 	VOU_Init();
	VOU_Disable();
	initVOU(out_format, out_mode, VOU_CONTROL_MODE_MASTER);
	VOU_Enable();
	return 0;

}

#endif