#define POWERDOWN_FREQ (HZ / 4)
#define PANIC_FREQ (HZ / 8)
-static struct timer_list power_timer, blink_timer, debounce_timer, volume_timer;
+static struct timer_list power_timer, blink_timer, debounce_timer;
#define MACHINE_PANICED 1
#define MACHINE_SHUTTING_DOWN 2
static int machine_state;
-static void ATTRIB_NORET sgi_machine_power_off(void)
+static void __noreturn sgi_machine_power_off(void)
{
unsigned int tmp;
}
}
-static void ATTRIB_NORET sgi_machine_restart(char *command)
+static void __noreturn sgi_machine_restart(char *command)
{
if (machine_state & MACHINE_SHUTTING_DOWN)
sgi_machine_power_off();
while (1);
}
-static void ATTRIB_NORET sgi_machine_halt(void)
+static void __noreturn sgi_machine_halt(void)
{
if (machine_state & MACHINE_SHUTTING_DOWN)
sgi_machine_power_off();
if (machine_state & MACHINE_PANICED)
return;
- if ((machine_state & MACHINE_SHUTTING_DOWN) || kill_proc(1,SIGINT,1)) {
+ if ((machine_state & MACHINE_SHUTTING_DOWN) ||
+ kill_cad_pid(SIGINT, 1)) {
/* No init process or button pressed twice. */
sgi_machine_power_off();
}
add_timer(&power_timer);
}
-void (*indy_volume_button)(int) = NULL;
-
-EXPORT_SYMBOL(indy_volume_button);
-
-static inline void volume_up_button(unsigned long data)
-{
- del_timer(&volume_timer);
-
- if (indy_volume_button)
- indy_volume_button(1);
-
- if (sgint->istat1 & SGINT_ISTAT1_PWR) {
- volume_timer.expires = jiffies + (HZ / 100);
- add_timer(&volume_timer);
- }
-}
-
-static inline void volume_down_button(unsigned long data)
-{
- del_timer(&volume_timer);
-
- if (indy_volume_button)
- indy_volume_button(-1);
-
- if (sgint->istat1 & SGINT_ISTAT1_PWR) {
- volume_timer.expires = jiffies + (HZ / 100);
- add_timer(&volume_timer);
- }
-}
-
-static irqreturn_t panel_int(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t panel_int(int irq, void *dev_id)
{
unsigned int buttons;
* House. Only lowest 2 bits are used. Guiness uses upper four bits
* for volume control". This is not true, all bits are pulled high
* on fullhouse */
- if (ip22_is_fullhouse() || !(buttons & SGIOC_PANEL_POWERINTR)) {
+ if (!(buttons & SGIOC_PANEL_POWERINTR))
power_button();
- return IRQ_HANDLED;
- }
- /* TODO: mute/unmute */
- /* Volume up button was pressed */
- if (!(buttons & SGIOC_PANEL_VOLUPINTR)) {
- init_timer(&volume_timer);
- volume_timer.function = volume_up_button;
- volume_timer.expires = jiffies + (HZ / 100);
- add_timer(&volume_timer);
- }
- /* Volume down button was pressed */
- if (!(buttons & SGIOC_PANEL_VOLDNINTR)) {
- init_timer(&volume_timer);
- volume_timer.function = volume_down_button;
- volume_timer.expires = jiffies + (HZ / 100);
- add_timer(&volume_timer);
- }
return IRQ_HANDLED;
}
static int __init reboot_setup(void)
{
+ int res;
+
_machine_restart = sgi_machine_restart;
_machine_halt = sgi_machine_halt;
pm_power_off = sgi_machine_power_off;
- request_irq(SGI_PANEL_IRQ, panel_int, 0, "Front Panel", NULL);
+ res = request_irq(SGI_PANEL_IRQ, panel_int, 0, "Front Panel", NULL);
+ if (res) {
+ printk(KERN_ERR "Allocation of front panel IRQ failed\n");
+ return res;
+ }
+
init_timer(&blink_timer);
blink_timer.function = blink_timeout;
atomic_notifier_chain_register(&panic_notifier_list, &panic_block);