/*
########################
System functions
########################
*/
void gp_Reset(void)
{
unsigned int i=0;
gp_setCpuspeed(533);
if( gp2x_sound_thread)
{
gp2x_sound_thread_exit=1;
usleep(500);
}
MLCADDRESS0 = bkregs32[0]; MLCADDRESS1 = bkregs32[1]; MLCCONTROL0 = bkregs32[2]; MLCCONTROL1 = bkregs32[3]; MLCLEFTRIGHT0 = bkregs32[4];
MLCTOPBOTTOM0 = bkregs32[5]; MLCLEFTRIGHT1 = bkregs32[6]; MLCTOPBOTTOM1 = bkregs32[7]; MLCBGCOLOR = bkregs32[8]; MLCHSTRIDE0 = bkregs32[9];
MLCVSTRIDE0 = bkregs32[10]; MLCHSTRIDE1 = bkregs32[11]; MLCVSTRIDE1 = bkregs32[12]; DPCCTRL1 = bkregs32[13]; MLCSCREENSIZE = bkregs32[14];
lc_dirtylayer(0);
lc_dirtylayer(1);
lc_dirtymlc();
munmap((void *)memregs32, 0x20000);
munmap(framebuffer_mmap[0], fb_size * BUFFERS);
if (wiz_dev[0]) close(wiz_dev[0]);
if (wiz_dev[1]) close(wiz_dev[1]);
if (wiz_dev[2]) close(wiz_dev[2]);
fcloseall();
chdir("/usr/gp2x");
execl("gp2xmenu",NULL);
}
/* Sets layer properties */
static void lc_setlayer(int layer, unsigned int onoff, unsigned int alpha, unsigned int invert, unsigned int trans, unsigned int mode)
{
/* set layer properties register */
unsigned int temp;
temp = 0;
if(onoff) temp |= BIT(5);
if(alpha) temp |= BIT(2);
if(invert) temp |= BIT(1);
if(trans) temp |= BIT(0);
temp |= BIT(12);
temp |= BIT(14);
temp |= BIT(15);
temp |= (mode<<16);
if(layer == 0) {
MLCCONTROL0 = temp;
} else {
MLCCONTROL1= temp;
}
lc_dirtylayer(layer);
int pixel_width = 0;
/* set stride based on pixel width*/
switch(mode) {
case RGB565:
case BGR565:
case XRGB1555:
case XBGR1555:
case XRGB4444:
case XBGR4444:
case XRGB8332:
case XBGR8332:
case ARGB1555:
case ABGR1555:
case ARGB4444:
case ABGR4444:
case ARGB8332:
case ABGR8332:
pixel_width = 2;
break;
case RGB888:
case BGR888:
pixel_width = 3;
break;
case ARGB8888:
case ABGR8888:
pixel_width = 4;
break;
case PTRGB565:
pixel_width = 1;
break;
default:
break;
}
lc_setstride(layer, pixel_width, pixel_width*layer_width[layer]);
}
void gp_setFramebuffer(int flip, int sync)
{
CurrentFrameBuffer=flip;
unsigned int address=(unsigned int)wiz_physvram[flip];
unsigned short x=0;
/* set absolute address for framebuffers */
MLCADDRESS1 = address;
lc_dirtylayer(1);
}
/* Sets stride registers */
static void lc_setstride(int layer, int hs, int vs)
{
/* set how many bytes the MLC is supposed to read */
if(layer == 0) {
MLCHSTRIDE0 = hs;
MLCVSTRIDE0 = vs;
} else {
MLCHSTRIDE1 = hs;
MLCVSTRIDE1 = vs;
}
lc_dirtylayer(layer);
}
void gp_setFramebuffer(int flip, int sync)
{
CurrentFrameBuffer=flip;
unsigned int address=(unsigned int)wiz_physvram[flip];
unsigned short x=0;
// Wait for VSync if required
if (sync) {
while((DPCCTRL0 & 0x400) == 0);
DPCCTRL0 |= 0x400;
}
/* set absolute address for framebuffers */
MLCADDRESS1 = address;
lc_dirtylayer(1);
}
/* Sets layer position */
static void lc_layerpos(int layer, int x1, int y1, int x2, int y2)
{
unsigned int temp_lr, temp_tb;
temp_lr = (x1 << 16) | x2;
temp_tb = (y1 << 16) | y2;
if(layer == 0) {
MLCLEFTRIGHT0 = temp_lr;
MLCTOPBOTTOM0 = temp_tb;
} else {
MLCLEFTRIGHT1 = temp_lr;
MLCTOPBOTTOM1 = temp_tb;
}
lc_dirtylayer(layer);
layer_width[layer] = (x2-x1)+1;
}