irqreturn_t ath_wdt_isr(int cpl, void *dev_id)
{
unsigned delay;
extern int ath_gpio_in_val(int);
#define UDELAY_COUNT 4000
wddbg("%s: invoked\n", __func__);
for (delay = UDELAY_COUNT; delay; delay--) {
if (ath_gpio_in_val(ATH_GPIO_RESET)) {
break;
}
udelay(1000);
}
wddbg("%s: %d", __func__, delay);
if (!delay) {
wake_up(&wdt->wq);
} else {
extern void ath_restart(char *);
ath_restart(NULL);
}
return IRQ_HANDLED;
}
/*
* Irq for front panel SW jumpstart switch
* Connected to XSCALE through GPIO4
*/
irqreturn_t jumpstart_irq(int cpl, void *dev_id)
{
unsigned int delay;
if (atomic_read(&ath_fr_status)) {
local_irq_disable();
#define UDELAY_COUNT 4000
for (delay = UDELAY_COUNT; delay; delay--) {
if (ath_gpio_in_val(JUMPSTART_GPIO)) {
break;
}
udelay(1000);
}
if (!delay) {
atomic_dec(&ath_fr_status);
/*
* since we are going to reboot the board, we
* don't need the interrupt handler anymore,
* so disable it.
*/
disable_irq(ATH_GPIO_IRQn(JUMPSTART_GPIO));
wake_up(&ath_fr_wq);
local_irq_enable();
return IRQ_HANDLED;
} else {
return (ath_simple_config_invoke_cb
(0, 1, cpl));
}
} else
return (ath_simple_config_invoke_cb(1, 0, cpl));
}
static int gpio_simple_config_led_write(struct file *file, const char *buf,
unsigned long count, void *data)
{
u_int32_t val;
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
if(val == SIMPLE_CONFIG_BLINK){
if( ath_gpio_in_val(WPS_LED_GPIO) == 0 ){
initial_led_state = WPS_LED_ON;
}else{
initial_led_state = WPS_LED_OFF;
}
}
if ((val == SIMPLE_CONFIG_BLINK) && !wps_led_blinking) { /* wps LED blinking */
wps_led_blinking = 1;
simple_config_led_state = SIMPLE_CONFIG_BLINK;
ath_gpio_out_val(WPS_LED_GPIO, WPS_LED_ON);
OS_CANCEL_TIMER(&os_timer_t);
OS_INIT_TIMER(NULL, &os_timer_t, wps_led_blink, &os_timer_t);
OS_SET_TIMER(&os_timer_t, 1000);
} else if (val == SIMPLE_CONFIG_FAIL) { /* WPS failed */
wps_led_blinking = 0;
simple_config_led_state = SIMPLE_CONFIG_FAIL;
ath_gpio_out_val(WPS_LED_GPIO, WPS_LED_ON);
OS_CANCEL_TIMER(&os_timer_t);
OS_INIT_TIMER(NULL, &os_timer_t, wps_led_fail, &os_timer_t);
OS_SET_TIMER(&os_timer_t, 200);
} else if (val == SIMPLE_CONFIG_ON) { /* WPS Success */
wps_led_blinking = 0;
simple_config_led_state = SIMPLE_CONFIG_ON;
OS_CANCEL_TIMER(&os_timer_t);
ath_gpio_out_val(WPS_LED_GPIO, WPS_LED_ON);
OS_INIT_TIMER(NULL, &os_timer_t, wps_led_success, &os_timer_t);
OS_SET_TIMER(&os_timer_t, 120000);
} else if (val == SIMPLE_CONFIG_OFF) { /* wps LED off */
wps_led_blinking = 0;
simple_config_led_state = SIMPLE_CONFIG_OFF;
OS_CANCEL_TIMER(&os_timer_t);
ath_gpio_out_val(WPS_LED_GPIO, initial_led_state);
}
return count;
}
/* ioctl for reset default detection and system led switch*/
int ar7240_gpio_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
{
int i;
int* argp = (int *)arg;
if (_IOC_TYPE(cmd) != AR7240_GPIO_MAGIC ||
_IOC_NR(cmd) < AR7240_GPIO_IOCTL_BASE ||
_IOC_NR(cmd) > AR7240_GPIO_IOCTL_MAX)
{
printk("type:%d nr:%d\n", _IOC_TYPE(cmd), _IOC_NR(cmd));
printk("ar7240_gpio_ioctl:unknown command\n");
return -1;
}
switch (cmd)
{
case AR7240_GPIO_BTN_READ:
*argp = counter;
counter = 0;
break;
case AR7240_GPIO_LED_READ:
printk("\n\n");
for (i = 0; i < ATH_GPIO_COUNT; i ++)
{
printk("pin%d: %d\n", i, ath_gpio_in_val(i));
}
printk("\n");
#ifdef CONFIG_GPIO_DEBUG
print_gpio_regs("");
#endif
break;
case AR7240_GPIO_LED_WRITE:
if (unlikely(bBlockWps))
bBlockWps = 0;
ath_gpio_out_val(SYS_LED_GPIO, *argp); /* PB92 use gpio 1 to config switch */
break;
case AR7240_GPIO_USB_LED1_WRITE:
#ifdef AP_USB_LED_GPIO
ath_gpio_out_val(AP_USB_LED_GPIO, *argp);
#endif
break;
case AR7240_GPIO_USB_1_LED1_WRITE:
#ifdef AP_USB_1_LED_GPIO
ath_gpio_out_val(AP_USB_1_LED_GPIO, *argp);
#endif
break;
case AR7240_GPIO_USB_POWER_WRITE:
#ifdef USB_POWER_SW_GPIO
ath_gpio_out_val(USB_POWER_SW_GPIO, *argp);
#endif
break;
case AR7240_GPIO_USB_1_POWER_WRITE:
#ifdef USB_1_POWER_SW_GPIO
ath_gpio_out_val(USB_1_POWER_SW_GPIO, *argp);
#endif
break;
default:
printk("command not supported\n");
return -1;
}
return 0;
}