Example #1
0
static void asr_enable(void)
{
	unsigned char reg;

	spin_lock(&asr_lock);
	if (asr_type == ASMTYPE_TOPAZ) {
		/* asr_write_addr == asr_read_addr */
		reg = inb(asr_read_addr);
		outb(reg & ~(TOPAZ_ASR_TOGGLE | TOPAZ_ASR_DISABLE),
		     asr_read_addr);
	} else {
		/*
		 * First make sure the hardware timer is reset by toggling
		 * ASR hardware timer line.
		 */
		__asr_toggle();

		reg = inb(asr_read_addr);
		outb(reg & ~asr_disable_mask, asr_write_addr);
	}
	reg = inb(asr_read_addr);
	spin_unlock(&asr_lock);
}
Example #2
0
static void asr_enable(void)
{
	unsigned char reg;

	spin_lock(&asr_lock);
	if (asr_type == ASMTYPE_TOPAZ) {
		/*                                 */
		reg = inb(asr_read_addr);
		outb(reg & ~(TOPAZ_ASR_TOGGLE | TOPAZ_ASR_DISABLE),
		     asr_read_addr);
	} else {
		/*
                                                            
                             
   */
		__asr_toggle();

		reg = inb(asr_read_addr);
		outb(reg & ~asr_disable_mask, asr_write_addr);
	}
	reg = inb(asr_read_addr);
	spin_unlock(&asr_lock);
}
Example #3
0
static void asr_toggle(void)
{
	spin_lock(&asr_lock);
	__asr_toggle();
	spin_unlock(&asr_lock);
}