/*
* Get current pad state
* Wait until state == 6 (Ready) before trying to access the pad
*/
int
padGetState(int port, int slot)
{
struct pad_data *pdata;
unsigned char state;
pdata = padGetDmaStr(port, slot);
state = pdata->state;
if (state == PAD_STATE_ERROR)
{
if (pdata->findPadRetries)
{
return PAD_STATE_FINDPAD;
}
}
if (state == PAD_STATE_STABLE) { // Ok
if (padGetReqState(port, slot) == PAD_RSTAT_BUSY) {
return PAD_STATE_EXECCMD;
}
}
return state;
}
void padWait(int port)
{
/* Wait for request to complete. */
while(padGetReqState(port, 0) != PAD_RSTAT_COMPLETE)
wait_vsync();
/* Wait for pad to be stable. */
while(padGetState(port, 0) != PAD_STATE_STABLE)
wait_vsync();
}
