static void wdt_ping(void)
{
spin_lock(&io_lock);
w83697hf_select_wdt();
w83697hf_write_timeout(timeout);
w83697hf_deselect_wdt();
spin_unlock(&io_lock);
}
static void wdt_disable(void)
{
spin_lock(&io_lock);
w83697hf_select_wdt();
w83697hf_set_reg(0x30, 0); /* Disable timer */
w83697hf_write_timeout(0);
w83697hf_deselect_wdt();
spin_unlock(&io_lock);
}
static void wdt_enable(void)
{
spin_lock(&io_lock);
w83697hf_select_wdt();
w83697hf_write_timeout(timeout);
w83697hf_set_reg(0x30, 1); /* Enable timer */
w83697hf_deselect_wdt();
spin_unlock(&io_lock);
}
static unsigned char wdt_running(void)
{
unsigned char t;
spin_lock(&io_lock);
w83697hf_select_wdt();
t = w83697hf_get_reg(0xF4); /* Read timer */
w83697hf_deselect_wdt();
spin_unlock(&io_lock);
return t;
}
static void
w83697hf_init(void)
{
unsigned char bbuf;
w83697hf_select_wdt();
bbuf = w83697hf_get_reg(0x29);
bbuf &= ~0x60;
bbuf |= 0x20;
w83697hf_set_reg(0x29, bbuf); /* Set pin 119 to WDTO# mode (= CR29, WDT0) */
bbuf = w83697hf_get_reg(0xF3);
bbuf &= ~0x04;
w83697hf_set_reg(0xF3, bbuf); /* Count mode is seconds */
w83697hf_deselect_wdt();
}
static void w83697hf_init(void)
{
unsigned char bbuf;
w83697hf_select_wdt();
bbuf = w83697hf_get_reg(0x29);
bbuf &= ~0x60;
bbuf |= 0x20;
w83697hf_set_reg(0x29, bbuf);
bbuf = w83697hf_get_reg(0xF3);
bbuf &= ~0x04;
w83697hf_set_reg(0xF3, bbuf);
w83697hf_deselect_wdt();
}