/*
 * header file for pwm driver.
 *
 * Copyright (c) 2011 samsung electronics
 * Donghwa Lee <dh09.lee@samsung.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef _pwm_h_
#define _pwm_h_

/**
 * Checks if PWM is already enabled
 *
 * @param pwm_id	Id of the pwm device
 * @return 0 if disabled, non-zero if enabled
 */
int	pwm_check_enabled(int pwm_id);
int	pwm_init		(int pwm_id, int div, int invert);
int	pwm_config		(int pwm_id, int duty_ns, int period_ns);
int	pwm_enable		(int pwm_id);
void	pwm_disable		(int pwm_id);

#endif /* _pwm_h_ */