| /* |
| * 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_ */ |
