void
ep7312_io_do_cycle (ARMul_State * state)
{
int t;
for (t = 0; t < 2; t++) {
if (io.tcd[t] == 0) {
if (io.syscon & (t ? TC2M : TC1M)) {
io.tcd[t] = io.tcd_reload[t];
}
else {
io.tcd[t] = 0xffff;
}
io.intsr |= (t ? TC2OI : TC1OI);
ep7312_update_int (state);
}
else {
io.tcd[t]--;
}
}
if (!(io.intsr & URXINT)) {
/* 2007-01-18 modified by Anthony Lee : for new uart device frame */
struct timeval tv;
unsigned char buf;
tv.tv_sec = 0;
tv.tv_usec = 0;
if(skyeye_uart_read(-1, &buf, 1, &tv, NULL) > 0)
{
io.uartdr = (int) buf;
io.sysflg &= ~URXFE;
io.intsr |= URXINT;
ep7312_update_int (state);
}
} //if (!(io.intsr & URXINT))
// ywc 2004-04-01 for touch screen interrupt
{
if (!(io.intsr & io.ts_int)) { //if now has no ts interrupt,then query
unsigned int* Pen_buffer = get_pen_buffer();
/* If Pen_buffer is registered. */
if(Pen_buffer != NULL){
if (Pen_buffer[6] == 1) { //should trigger a interrupt
*(io.ts_buffer + 0) = Pen_buffer[0];
*(io.ts_buffer + 1) = Pen_buffer[1];
*(io.ts_buffer + 4) = Pen_buffer[4];
*(io.ts_buffer + 6) = Pen_buffer[6];
//set EINT2 bit to trigger a interrupt,ts driver will clear it
io.intsr |= io.ts_int;
Pen_buffer[6] = 0;
}
}
}
}
}
void
ep7312_io_write_word (void *state, uint32_t addr, uint32_t data)
{
uint32_t tmp;
switch (addr - 0x80000000) {
case SYSCON:
tmp = io.syscon;
io.syscon = data;
//chy 2004-03-11
if ((tmp & LCDEN) != (data & LCDEN)) {
// by ywc 2004-07-07
printf ("\n\n SYSCON:will call ep7312_update_lcd()");
//ep7312_update_lcd (state);
}
break;
case SYSFLG:
break;
case INTSR:
//DBG_PRINT("write INTSR=0x%x\n", data);
io.intsr = data;
// printf("SKYEYE: write INTSR=0x%x\n", io.intsr);
break;
case INTMR:
//DBG_PRINT("write INTMR=0x%x\n", data);
//if(data != 0x2000 && data != 0x2200)
//printf("SKYEYE: write INTMR=0x%x\n", data);
io.intmr = data;
ep7312_update_int (state);
break;
case TC1D:
io.tcd[0] = io.tcd_reload[0] = data & 0xffff;
SKYEYE_DBG ("TC1D 0x%x\n", data & 0xffff);
break;
case TC2D:
io.tcd[1] = io.tcd_reload[1] = data & 0xffff;
SKYEYE_DBG ("TC2D 0x%x\n", data & 0xffff);
break;
case UARTDR:
/* The UART writes chars to console */
{
char c = data;
/* 2007-01-18 modified by Anthony Lee : for new uart device frame */
skyeye_uart_write(-1, &c, 1, NULL);
}
break;
/* case BLEOI: printf("BLEOI\n"); break;
case MCEOI: printf("MCEOI\n"); break;
case TEOI: printf("TEOI\n"); break;*/
case TC1EOI:
io.intsr &= ~TC1OI;
ep7312_update_int (state);
SKYEYE_DBG ("TC1EOI\n");
break;
case TC2EOI:
io.intsr &= ~TC2OI;
ep7312_update_int (state);
SKYEYE_DBG ("TC2EOI\n");
break;
//case RTCEOI: printf("RTCEOI\n"); break;
//case UMSEOI: printf("UMSEOI\n"); break;
//case COEOI: printf("COEOI\n"); break;
case 0x2000:
/* Not a real register, for debugging only: */
SKYEYE_DBG ("io_write_word debug: 0x%08lx\n", data);
break;
default:
//chy 2003-07-11: sometime has fault, but linux can continue running !!!!????
//printf("SKYEYE:unknown io addr, io_write_word(0x%08x, 0x%08x), pc %x \n", addr, data,state->Reg[15]);
break;
}
}
uint32_t
ep7312_io_read_word (void *state, uint32_t addr)
{
uint32_t data = 0;
uint32_t ts_addr;
//ywc 2004-04-01 read the touch srceen data buffer,return to the ts device driver
ts_addr = addr & ~3; // 1 word==4 byte
if (ts_addr >= io.ts_addr_begin && ts_addr <= io.ts_addr_end) {
data = io.ts_buffer[(ts_addr - io.ts_addr_begin) / 4];
return data;
}
switch (addr - 0x80000000) {
case SYSCON:
data = io.syscon;
break;
case SYSFLG:
data = io.sysflg;
break;
/* case MEMCFG1:
* case MEMCFG2:
* case DRFPR */
case INTSR:
data = io.intsr;
break;
case INTMR:
data = io.intmr;
break;
case TC1D:
data = io.tcd[0];
break;
case TC2D:
data = io.tcd[1];
break;
/* case RTCDR:
* case RTCMR:
* case PMPCON :
* case CODR:*/
case UARTDR:
data = io.uartdr;
io.sysflg |= URXFE;
io.intsr &= ~URXINT;
ep7312_update_int (state);
break;
/* case UBRLCR: */
case SYNCIO:
/* if we return zero here, the battery voltage calculation
* results in a divide-by-zero that messes up the kernel */
data = 1;
break;
/* case PALLSW:
* case PALMSW:*/
/* write-only: */
case STFCLR:
case BLEOI:
case MCEOI:
case TEOI:
case TC1EOI:
case TC2EOI:
case RTCEOI:
case UMSEOI:
case COEOI:
case HALT:
case STDBY:
break;
default:
//chy 2003-07-11: sometime has fault, but linux can continue running !!!!????
//SKYEYE_DBG("io_read_word(0x%08x) = 0x%08x\n", addr, data);
break;
}
return data;
}