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
}
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
}