rockbox/firmware/target/arm/imx233/pwm-imx233.h

46 lines
1.6 KiB
C
Raw Normal View History

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2011 by Amaury Pouly
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __PWM_IMX233_H__
#define __PWM_IMX233_H__
#include "system.h"
#include "regs/regs-pwm.h"
/* fake field for simpler programming */
#define BP_PWM_CTRL_PWMx_ENABLE(x) (x)
#define BM_PWM_CTRL_PWMx_ENABLE(x) (1 << (x))
#define IMX233_PWM_MAX_PERIOD (1 << 16)
#define IMX233_PWM_NR_CHANNELS 5
#define IMX233_PWM_PIN_BANK(channel) 1
#define IMX233_PWM_PIN(channel) (26 + (channel))
void imx233_pwm_init(void);
void imx233_pwm_setup_channel(int channel, int period, int cdiv, int active,
int active_state, int inactive, int inactive_state);
void imx233_pwm_enable_channel(int channel, bool enable);
bool imx233_pwm_is_channel_enable(int channel);
#endif /* __PWM_IMX233_H__ */