Exemple #1
0
int dlpc_init(void)
{
	int timeout = 1000;

	/* Enable 14.318MHz CLK on CLKIN */
	dlpc_write_register(0x29, 0xa0);
	while(!(dlpc_read_register(0x29) & 0x10) && timeout--)
		udelay(1000);

	if (!timeout)
		return 1;

	/* Select DLPC module */
	dlpc_write_register(0x07, 0x19);
	/* DLPC Base Address */
	dlpc_write_register(0x60, (DLPC_CONTROL >> 8) & 0xff);
	dlpc_write_register(0x61, DLPC_CONTROL & 0xff);
	/* Activate DLPC */
	dlpc_write_register(0x30, 0x01);

	/* Reset docking state */
	outb(0x00, DLPC_CONTROL);

	dlpc_gpio_init();
	return 0;
}
Exemple #2
0
int dlpc_init(void)
{
	int timeout = 1000;

	/* Enable 14.318MHz CLK on CLKIN */
	dlpc_write_register(0x29, 0xa0);
	while(!(dlpc_read_register(0x29) & 0x10) && timeout--)
		udelay(1000);

	if (!timeout)
		return 1;

	/* Select DLPC module */
	dlpc_write_register(0x07, 0x19);
	/* DLPC Base Address 0x164c */
	dlpc_write_register(0x60, 0x16);
	dlpc_write_register(0x61, 0x4c);
	/* Activate DLPC */
	dlpc_write_register(0x30, 0x01);

	outb(0x07, 0x164c);

	timeout = 1000;

	while(!(inb(0x164c) & 8) && timeout--)
		udelay(1000);

	if (!timeout) {
		/* docking failed, disable DLPC switch */
		outb(0x00, 0x164c);
		dlpc_write_register(0x30, 0x00);
		return 1;
	}

	dlpc_gpio_init();

	return 0;
}