static void remote_repeat_sr(unsigned long data)
{
struct remote *remote_data = (struct remote *)data;
u32 status;
u32 timer_period;
status = am_remote_read_reg(AM_IR_DEC_STATUS);
switch (status & REMOTE_HW_DECODER_STATUS_MASK) {
case REMOTE_HW_DECODER_STATUS_OK:
remote_send_key(remote_data->input, (remote_data->cur_keycode >> 16) & 0xff, 0);
repeat_flag = 0;
break;
default:
am_remote_set_mask(AM_IR_DEC_REG1, 1); //reset ir deocoder
am_remote_clear_mask(AM_IR_DEC_REG1, 1);
if (remote_data->repeat_tick != 0) { //new key coming in.
timer_period = jiffies + 10; //timer peroid waiting for a stable state.
} else { //repeat key check
if (remote_data->repeat_enable) {
remote_send_key(remote_data->input, (remote_data->cur_keycode >> 16) & 0xff, 2);
}
timer_period = jiffies + msecs_to_jiffies(remote_data->repeat_peroid);
}
mod_timer(&remote_data->repeat_timer, timer_period);
remote_data->repeat_tick = 0;
break;
}
static void ir_fiq_interrupt(void)
{
int pulse_width;
unsigned int current_jiffies = jiffies;
if(current_jiffies - last_jiffies > 10)//means a new key
{
//dbg("it is a new ir key\n");
rec_idx = 0;
rec_win.winNum = 0;
last_jiffies = current_jiffies;
return;//ignore first falling or rising edge
}
last_jiffies = current_jiffies;
pulse_width = ( (am_remote_read_reg(AM_IR_DEC_REG1)) & 0x1FFF0000 ) >> 16 ;
rec_idx++;
if(rec_idx >= MAX_PLUSE)
return;
rec_win.winNum = rec_idx;
rec_win.winArray[rec_idx-1] = (pulse_width<<1);
//dbg("idx[%d]window width[%d]\n", rec_idx-1, pulse_width);
}