static unsigned int detect_key(unsigned int suspend_from)
{
int exit_reason = 0;
unsigned int time_out = readl(AO_DEBUG_REG2);
unsigned time_out_ms = time_out*100;
unsigned *irq = (unsigned *)SECURE_TASK_SHARE_IRQ;
/* unsigned *wakeup_en = (unsigned *)SECURE_TASK_RESPONSE_WAKEUP_EN; */
/* setup wakeup resources*/
/*auto suspend: timerA 10ms resolution*/
if (time_out_ms != 0)
wakeup_timer_setup();
init_remote();
#ifdef CONFIG_CEC_WAKEUP
if (hdmi_cec_func_config & 0x1) {
remote_cec_hw_reset();
cec_node_init();
}
#endif
/* *wakeup_en = 1;*/
do {
switch (*irq) {
#ifdef CONFIG_CEC_WAKEUP
case IRQ_AO_CEC_NUM:
if (suspend_from == SYS_POWEROFF)
break;
if (cec_msg.log_addr) {
if (hdmi_cec_func_config & 0x1) {
cec_handler();
if (cec_msg.cec_power == 0x1) {
/*cec power key*/
exit_reason = CEC_WAKEUP;
break;
}
}
} else if (hdmi_cec_func_config & 0x1)
cec_node_init();
break;
#endif
case IRQ_TIMERA_NUM:
if (time_out_ms != 0)
time_out_ms--;
if (time_out_ms == 0) {
wakeup_timer_clear();
exit_reason = AUTO_WAKEUP;
}
break;
case IRQ_AO_IR_DEC_NUM:
if (remote_detect_key())
exit_reason = REMOTE_WAKEUP;
break;
default:
break;
}
*irq = 0xffffffff;
if (exit_reason)
break;
else
asm volatile("wfi");
} while (1);
return exit_reason;
}
unsigned int g9tv_ref_wakeup(unsigned int flags)
{
int delay_cnt = 0;
int power_status = 1;
int prev_status;
int battery_voltage;
int ret = FLAG_WAKEUP_PWRKEY;
int low_bat_cnt = 0;
#ifdef CONFIG_IR_REMOTE_WAKEUP
//backup the remote config (on arm)
backup_remote_register();
//set the ir_remote to 32k mode at ARC
init_custom_trigger();
#endif
#ifdef CONFIG_SARADC_WAKEUP_FOR_ARC
saradc_init();
adc_start_sample(0);
#endif
do {
if ((flags == 0x87654321) && (!power_status)) { // suspend from uboot
ret = FLAG_WAKEUP_PWROFF;
exit_reason = -1;
break;
}
#ifdef CONFIG_IR_REMOTE_WAKEUP
if(readl(P_AO_RTI_STATUS_REG2) == 0x4853ffff){
break;
}
if(remote_detect_key()){
exit_reason = 6;
break;
}
#endif
#ifdef CONFIG_SARADC_WAKEUP_FOR_ARC
if (is_adc_finished()) {
if(1 == adc_detect_key()){
exit_reason = 6;
break;
}
adc_start_sample(0);
}
#endif
if((readl(P_AO_RTC_ADDR1) >> 12) & 0x1) {
exit_reason = 7;
ret = FLAG_WAKEUP_ALARM;
break;
}
#ifdef CONFIG_BT_WAKEUP
if(readl(P_PREG_PAD_GPIO0_I)&(0x1<<16)){
exit_reason = 8;
ret = FLAG_WAKEUP_BT;
break;
}
#endif
#ifdef CONFIG_WIFI_WAKEUP
if ((flags != 0x87654321) &&(readl(P_AO_GPIO_O_EN_N)&(0x1<<22)))
if(readl(P_PREG_PAD_GPIO0_I)&(0x1<<21)){
exit_reason = 9;
ret = FLAG_WAKEUP_WIFI;
break;
}
#endif
} while (!(readl(0xc8100088) & (1<<8))); // power key
writel(1<<8,0xc810008c);
writel(gpio_sel0, 0xc8100084);
writel(gpio_mask,0xc8100080);
#ifdef CONFIG_IR_REMOTE_WAKEUP
resume_remote_register();
#endif
return ret;
}
static unsigned int detect_key(unsigned int suspend_from)
{
int exit_reason = 0;
unsigned int time_out = readl(AO_DEBUG_REG2);
unsigned time_out_ms = time_out*100;
unsigned char adc_key_cnt = 0;
unsigned *irq = (unsigned *)WAKEUP_SRC_IRQ_ADDR_BASE;
/* unsigned *wakeup_en = (unsigned *)SECURE_TASK_RESPONSE_WAKEUP_EN; */
/* start timer and enable adc*/
reset_ao_timera();
saradc_enable();
/* setup wakeup resources*/
/*auto suspend: timerA 10ms resolution*/
if (time_out_ms != 0)
wakeup_timer_setup();
saradc_enable();
reset_ao_timera();
init_remote();
#ifdef CONFIG_CEC_WAKEUP
if (hdmi_cec_func_config & 0x1) {
remote_cec_hw_reset();
cec_node_init();
}
#endif
/* *wakeup_en = 1;*/
do {
#ifdef CONFIG_CEC_WAKEUP
if (irq[IRQ_AO_CEC] == IRQ_AO_CEC_NUM) {
irq[IRQ_AO_CEC] = 0xFFFFFFFF;
// if (suspend_from == SYS_POWEROFF)
// continue;
if (cec_msg.log_addr) {
if (hdmi_cec_func_config & 0x1) {
cec_handler();
if (cec_msg.cec_power == 0x1) {
/*cec power key*/
exit_reason = CEC_WAKEUP;
break;
}
}
} else if (hdmi_cec_func_config & 0x1)
cec_node_init();
}
#endif
if (irq[IRQ_TIMERA] == IRQ_TIMERA_NUM) {
irq[IRQ_TIMERA] = 0xFFFFFFFF;
/*uart_puts("timera ...\n");*/
if (time_out_ms != 0)
time_out_ms--;
if (time_out_ms == 0) {
wakeup_timer_clear();
exit_reason = AUTO_WAKEUP;
}
}
if (irq[IRQ_AO_TIMERA] == IRQ_AO_TIMERA_NUM) {
irq[IRQ_AO_TIMERA] = 0xFFFFFFFF;
if (check_adc_key_resume()) {
adc_key_cnt++;
/*using variable 'adc_key_cnt' to eliminate the dithering of the key*/
if (2 == adc_key_cnt)
exit_reason = POWER_KEY_WAKEUP;
} else {
adc_key_cnt = 0;
}
}
if (irq[IRQ_AO_IR_DEC] == IRQ_AO_IR_DEC_NUM) {
irq[IRQ_AO_IR_DEC] = 0xFFFFFFFF;
if (remote_detect_key())
exit_reason = REMOTE_WAKEUP;
}
if (irq[IRQ_ETH_PHY] == IRQ_ETH_PHY_NUM) {
irq[IRQ_ETH_PHY] = 0xFFFFFFFF;
exit_reason = ETH_PHY_WAKEUP;
}
if (exit_reason)
break;
else
asm volatile("wfi");
} while (1);
restore_ao_timer();
saradc_disable();
return exit_reason;
}
