int __init pbXX_simple_config_init(void)
{
#if AR7100_JUMPSTART_SWITCH_WORKS
#ifdef CONFIG_CUS100
u32 mask = 0;
#endif
int req;
#ifdef CONFIG_CUS100
mask = ar7100_reg_rd(AR7100_MISC_INT_MASK);
ar7100_reg_wr(AR7100_MISC_INT_MASK, mask | (1 << 2)); /* Enable GPIO interrupt mask */
ar7100_gpio_config_int (JUMPSTART_GPIO, INT_TYPE_LEVEL,INT_POL_ACTIVE_HIGH);
ar7100_gpio_intr_enable(JUMPSTART_GPIO);
ar7100_gpio_config_input(JUMPSTART_GPIO);
#else
/* configure GPIO 3 as level triggered interrupt */
ar7100_gpio_config_int (JUMPSTART_GPIO, INT_TYPE_LEVEL,INT_POL_ACTIVE_HIGH);
printk("%s (%s) JUMPSTART_GPIO: %d\n", __FILE__, __func__, JUMPSTART_GPIO);
#endif
req = request_irq (AR7100_GPIO_IRQn(JUMPSTART_GPIO), jumpstart_irq, 0,
"SW JUMPSTART", NULL);
if (req != 0) {
printk (KERN_ERR "unable to request IRQ for SWJUMPSTART GPIO (error %d)\n", req);
}
create_simple_config_led_proc_entry ();
#endif // AR7100_JUMPSTART_SWITCH_WORKS
return 0;
}
/*
* Irq for front panel SW jumpstart switch
* Connected to XSCALE through GPIO4
*/
irqreturn_t jumpstart_irq(int cpl, void *dev_id, struct pt_regs *regs)
{
printk("jumpstart_irq Enter\n");
local_irq_disable();
if (ignore_pushbutton) {
ar7100_gpio_config_int (JUMPSTART_GPIO,INT_TYPE_LEVEL,
INT_POL_ACTIVE_HIGH);
ignore_pushbutton = 0;
return IRQ_HANDLED;
}
ar7100_gpio_config_int (JUMPSTART_GPIO,INT_TYPE_LEVEL,INT_POL_ACTIVE_LOW);
ignore_pushbutton = 1;
if (SCcallback[0].registered_cb) {
SCcallback[0].registered_cb (cpl, SCcallback[0].cb_arg, regs);
}
if (SCcallback[1].registered_cb) {
SCcallback[1].registered_cb (cpl, SCcallback[1].cb_arg, regs);
}
local_irq_enable();
return IRQ_HANDLED;
}
int __init ar7100_factory_reset_init(void)
{
#ifdef CONFIG_CUS100
u32 mask = 0;
#endif
int req, ret;
ret = misc_register(&ar7100fr_miscdev);
if (ret < 0) {
printk("*** ar7100 misc_register failed %d *** \n", ret);
return -1;
}
#ifdef CONFIG_CUS100
mask = ar7100_reg_rd(ar7100_MISC_INT_MASK);
ar7100_reg_wr(ar7100_MISC_INT_MASK, mask | (1 << 2)); /* Enable GPIO interrupt mask */
ar7100_gpio_config_int (FACTORY_RESET_GPIO, INT_TYPE_LEVEL,INT_POL_ACTIVE_HIGH);
ar7100_gpio_intr_enable(FACTORY_RESET_GPIO);
ar7100_gpio_config_input(FACTORY_RESET_GPIO);
#else
ar7100_gpio_config_int (FACTORY_RESET_GPIO, INT_TYPE_LEVEL,INT_POL_ACTIVE_HIGH);
#endif
req = request_irq (AR7100_GPIO_IRQn(FACTORY_RESET_GPIO), factory_reset_irq, 0,
"FACTORY RESET", NULL);
if (req != 0) {
printk (KERN_ERR "unable to request IRQ for FACTORY_RESET GPIO (error %d)\n", req);
misc_deregister(&ar7100fr_miscdev);
ar7100_gpio_intr_shutdown(AR7100_GPIO_IRQn(FACTORY_RESET_GPIO));
return -1;
}
init_waitqueue_head(&ar7100_fr_wq);
return 0;
}
/*
* Irq for front panel SW jumpstart switch
* Connected to XSCALE through GPIO4
*/
irqreturn_t jumpstart_irq(int cpl, void *dev_id, struct pt_regs *regs)
{
if (ignore_pushbutton) {
ar7100_gpio_config_int(JUMPSTART_GPIO, INT_TYPE_LEVEL, INT_POL_ACTIVE_HIGH);
ignore_pushbutton = 0;
return IRQ_HANDLED;
}
ar7100_gpio_config_int(JUMPSTART_GPIO, INT_TYPE_LEVEL, INT_POL_ACTIVE_LOW);
ignore_pushbutton = 1;
printk("calling simple_config callback..\n");
if (registered_cb) {
return registered_cb(cpl, cb_arg, regs);
}
return IRQ_HANDLED;
}
irqreturn_t factory_reset_irq(int cpl, void *dev_id, struct pt_regs *regs)
{
unsigned int delay;
if (ignore_resetbutton) {
ar7100_gpio_config_int (FACTORY_RESET_GPIO,INT_TYPE_LEVEL,
INT_POL_ACTIVE_LOW);
ignore_resetbutton = 0;
return IRQ_HANDLED;
}
ar7100_gpio_config_int (FACTORY_RESET_GPIO,INT_TYPE_LEVEL,INT_POL_ACTIVE_HIGH);
ignore_resetbutton = 1;
if (atomic_read(&ar7100_fr_status)) {
local_irq_disable();
#define UDELAY_COUNT 4000
for (delay = UDELAY_COUNT; delay; delay--) {
if (ar7100_gpio_in_val(FACTORY_RESET_GPIO)) {
break;
}
udelay(1000);
}
/*
* since we are going to reboot the board, we
* don't need the interrupt handler anymore,
* so disable it.
*/
disable_irq(AR7100_GPIO_IRQn(FACTORY_RESET_GPIO));
if (!delay) {
wake_up(&ar7100_fr_wq);
printk("\nar7100: factory configuration restored..\n");
}
else {
ar7100_restart(NULL);
}
local_irq_enable();
}
return IRQ_HANDLED;
}
int __init pbXX_simple_config_init(void)
{
#ifdef JUMPSTART
int req;
/* configure GPIO 3 as level triggered interrupt */
ar7100_gpio_config_int(JUMPSTART_GPIO, INT_TYPE_LEVEL, INT_POL_ACTIVE_HIGH);
req = request_irq(AR7100_GPIO_IRQn(JUMPSTART_GPIO), jumpstart_irq, 0, "SW JUMPSTART", NULL);
if (req != 0) {
printk(KERN_ERR "unable to request IRQ for SWJUMPSTART GPIO (error %d)\n", req);
}
#endif
create_simple_config_led_proc_entry();
return 0;
}
