コード例 #1
0
void gp_initGraphics(unsigned short bpp, int flip, int applyMmuHack)
{
	
	int x = 0;
	unsigned int key = 0;
	unsigned int offset = 0;
	char buf[256];

	struct fb_fix_screeninfo info;
	int fb_fd;
	int f;

	gp_setClipping(0, 0, 319, 239);

#ifdef DEBUG
    printf("Entering gp_initGraphics....\r\n");
#endif    
	/*
	First check that frame buffer memory has not already been setup
	*/
	if (!InitFramebuffer)
	{
#ifdef DEBUG
		sprintf(buf, "Initing buffer\r\n");
		printf(buf);
#endif 
		wiz_dev[0] = open("/dev/mem", O_RDWR);
		if(wiz_dev[0] < 0) {
			printf("Could not open /dev/mem\n");
			return;
		}
		
#ifdef DEBUG
		sprintf(buf, "Devices opened\r\n");
		printf(buf);
		sprintf(buf, "/dev/mem: %x \r\n", wiz_dev[0]);
		printf(buf);
#endif 		

		memregs32 = (volatile unsigned int *)mmap(0, 0x20000, PROT_READ|PROT_WRITE, MAP_SHARED, wiz_dev[0], 0xC0000000);
		if(memregs32 == (volatile unsigned int *)0xFFFFFFFF) {
			printf("Could not mmap hardware registers\n");
			return;
		}
  
		memregs16 = (volatile unsigned short *)memregs32;
		memregs8 = (volatile unsigned char *)memregs32;
		
		/* backup old register values to restore upon exit */
		bkregs32[0] = MLCADDRESS0; bkregs32[1] = MLCADDRESS1; bkregs32[2] = MLCCONTROL0; bkregs32[3] = MLCCONTROL1; bkregs32[4] = MLCLEFTRIGHT0;
		bkregs32[5] = MLCTOPBOTTOM0; bkregs32[6] = MLCLEFTRIGHT1; bkregs32[7] = MLCTOPBOTTOM1; bkregs32[8] = MLCBGCOLOR; bkregs32[9] = MLCHSTRIDE0;
		bkregs32[10] = MLCVSTRIDE0; bkregs32[11] = MLCHSTRIDE1; bkregs32[12] = MLCVSTRIDE1; bkregs32[13] = DPCCTRL1; bkregs32[14] = MLCSCREENSIZE;
		bkregs32[15] = PLLSETREG0;

		// Get frame buffer address, do not hardcode them, for tv-out compatibility
		fb_fd = open("/dev/fb0", O_RDWR);
		if ((!fb_fd) || (ioctl(fb_fd, FBIOGET_FSCREENINFO, &info) < 0)) return;

		wiz_physvram[0] = info.smem_start;		
		framebuffer_mmap[0] = (void *)mmap(0, fb_size * BUFFERS, PROT_READ|PROT_WRITE, MAP_SHARED, wiz_dev[0], wiz_physvram[0]); 		

		for (f = 1; f < BUFFERS; f++) {
			framebuffer_mmap[f] = framebuffer_mmap[f-1] + (fb_size / sizeof(unsigned short));
			wiz_physvram[f] = wiz_physvram[f-1] + fb_size; 
			}

		close(fb_fd);

		if (applyMmuHack) 
		{
			warm_init();
			warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1);
		}
		
		// Init and clear the frame buffers
		for (f = 0; f < BUFFERS; f++) {
			memset(framebuffer_mmap[f], 0, fb_size);
			framebuffer16[f] = framebuffer_mmap[f];
			}

/* Not working well with TV-Out
		// offset externally visible buffers by 8
		// this allows DrMD to not worry about clipping
		framebuffer16[0]=framebuffer_mmap[0]+8;
		framebuffer16[1]=framebuffer_mmap[1]+8;
		framebuffer16[2]=framebuffer_mmap[2]+8;
		framebuffer16[3]=framebuffer_mmap[3]+8;
		//ofset physical buffer as well
		wiz_physvram[0]+=16;
		wiz_physvram[1]+=16;
		wiz_physvram[2]+=16;
		wiz_physvram[3]+=16;
*/
		InitFramebuffer=1;		
		
	}
	
	
	// Set graphics mode
	lc_screensize(320, 240); 
	lc_setbgcol(0x000000); /* set default background colour */
	lc_layerpos(0, 0, 0, 319, 239);	/* set default layer positions */
	lc_layerpos(1, 0, 0, 319, 239);
    lc_setlayer(0, 0, 0, 0, 0, RGB565); /* set default layer settings */
    lc_setlayer(1, 1, 0, 0, 0, RGB565);
	
	gp_setFramebuffer(flip,1);
	usleep(100000);

    pollux_set(memregs16, "lcd_timings=397,1,37,277,341,0,17,337;dpc_clkdiv0=9");
    pollux_set(memregs16, "ram_timings=2,9,4,1,1,1,1");
#ifdef DEBUG
    printf("Leaving gp_initGraphics....\r\n");
#endif 
}
コード例 #2
0
ファイル: wiz_sdk.c プロジェクト: RangelReale/pocketsnes-pnd
void gp_initGraphics(unsigned short bpp, int flip, int applyMmuHack)
{
	
	int x = 0;
	unsigned int key = 0;
	unsigned int offset = 0;
	char buf[256];
	

#ifdef DEBUG
    printf("Entering gp_initGraphics....\r\n");
#endif    
	/*
	First check that frame buffer memory has not already been setup
	*/
	if (!InitFramebuffer)
	{
#ifdef DEBUG
		sprintf(buf, "Initing buffer\r\n");
		printf(buf);
#endif 
		wiz_dev[0] = open("/dev/mem", O_RDWR);
		if(wiz_dev[0] < 0) {
			printf("Could not open /dev/mem\n");
			return;
		}
		
#ifdef DEBUG
		sprintf(buf, "Devices opened\r\n");
		printf(buf);
		sprintf(buf, "/dev/mem: %x \r\n", wiz_dev[0]);
		printf(buf);
#endif 		

		memregs32 = (volatile unsigned int *)mmap(0, 0x20000, PROT_READ|PROT_WRITE, MAP_SHARED, wiz_dev[0], 0xC0000000);
		if(memregs32 == (volatile unsigned int *)0xFFFFFFFF) {
			printf("Could not mmap hardware registers\n");
			return;
		}
  
		memregs16 = (volatile unsigned short *)memregs32;
		memregs8 = (volatile unsigned char *)memregs32;
		
		/* backup old register values to restore upon exit */
		bkregs32[0] = MLCADDRESS0; bkregs32[1] = MLCADDRESS1; bkregs32[2] = MLCCONTROL0; bkregs32[3] = MLCCONTROL1; bkregs32[4] = MLCLEFTRIGHT0;
		bkregs32[5] = MLCTOPBOTTOM0; bkregs32[6] = MLCLEFTRIGHT1; bkregs32[7] = MLCTOPBOTTOM1; bkregs32[8] = MLCBGCOLOR; bkregs32[9] = MLCHSTRIDE0;
		bkregs32[10] = MLCVSTRIDE0; bkregs32[11] = MLCHSTRIDE1; bkregs32[12] = MLCVSTRIDE1; bkregs32[13] = DPCCTRL1; bkregs32[14] = MLCSCREENSIZE;
		bkregs32[15] = PLLSETREG0;
		
		if (!framebuffer_mmap[0]) framebuffer_mmap[0]=(void *)mmap(0, fb_size, PROT_READ|PROT_WRITE, MAP_SHARED, wiz_dev[0], (wiz_physvram[0]=0x04000000-(0x26000*4) )); 
		if (!framebuffer_mmap[1]) framebuffer_mmap[1]=(void *)mmap(0, fb_size, PROT_READ|PROT_WRITE, MAP_SHARED, wiz_dev[0], (wiz_physvram[1]=0x04000000-(0x26000*3) )); 
		if (!framebuffer_mmap[2]) framebuffer_mmap[2]=(void *)mmap(0, fb_size, PROT_READ|PROT_WRITE, MAP_SHARED, wiz_dev[0], (wiz_physvram[2]=0x04000000-(0x26000*2) )); 
		if (!framebuffer_mmap[3]) framebuffer_mmap[3]=(void *)mmap(0, fb_size, PROT_READ|PROT_WRITE, MAP_SHARED, wiz_dev[0], (wiz_physvram[3]=0x04000000-(0x26000*1) )); 

		if (applyMmuHack) 
		{
			warm_init();
			warm_change_cb_upper(WCB_C_BIT|WCB_B_BIT, 1);
		}
		
		// Clear the frame buffers
		memset(framebuffer_mmap[0],0,fb_size);
		memset(framebuffer_mmap[1],0,fb_size);
		memset(framebuffer_mmap[2],0,fb_size);
		memset(framebuffer_mmap[3],0,fb_size);

		// offset externally visible buffers by 8
		// this allows DrMD to not worry about clipping
		framebuffer16[0]=framebuffer_mmap[0]+8;
		framebuffer16[1]=framebuffer_mmap[1]+8;
		framebuffer16[2]=framebuffer_mmap[2]+8;
		framebuffer16[3]=framebuffer_mmap[3]+8;
		//ofset physical buffer as well
		wiz_physvram[0]+=16;
		wiz_physvram[1]+=16;
		wiz_physvram[2]+=16;
		wiz_physvram[3]+=16;

	
		InitFramebuffer=1;
		
		//gp2x_memregs[0x0F16>>1] = 0x830a; 
		//usleep(1000000); 
		//gp2x_memregs[0x0F58>>1] = 0x100c; 
		//usleep(1000000); 
		
		
	}
	
	
	// Set graphics mode
	lc_screensize(320, 240); 
	lc_setbgcol(0x000000); /* set default background colour */
	lc_layerpos(0, 0, 0, 319, 239);	/* set default layer positions */
	lc_layerpos(1, 0, 0, 319, 239);
    lc_setlayer(0, 0, 0, 0, 0, RGB565); /* set default layer settings */
    lc_setlayer(1, 1, 0, 0, 0, RGB565);
	
	gp_setFramebuffer(flip,1);
	usleep(100000);

	pollux_set(memregs16, "lcd_timings=397,1,37,277,341,0,17,337;dpc_clkdiv0=9");
    pollux_set(memregs16, "ram_timings=2,9,4,1,1,1,1");
#ifdef DEBUG
    printf("Leaving gp_initGraphics....\r\n");
#endif 
}