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/* SPDX-License-Identifier: LGPL-2.1-only */
/* SPDX-FileCopyrightText: 2023-2025 Uwe Kleine-König <u.kleine-koenig@baylibre.com> */
#ifndef __LIBPWM_PWM_H__
#define __LIBPWM_PWM_H__
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
struct pwm_chip;
struct pwm;
struct pwm_waveform {
uint64_t period_length_ns;
uint64_t duty_length_ns;
uint64_t duty_offset_ns;
};
struct pwm_chip *pwm_chip_open_by_number(unsigned int num);
void pwm_chip_close(struct pwm_chip *chip);
int pwm_chip_num_pwms(struct pwm_chip *chip);
struct pwm *pwm_chip_get_pwm(struct pwm_chip *chip, unsigned int offset);
int pwm_round_waveform(struct pwm *pwm, struct pwm_waveform *wf);
int pwm_set_waveform(struct pwm *pwm, const struct pwm_waveform *wf);
int pwm_set_waveform_exact(struct pwm *pwm, const struct pwm_waveform *wf);
int pwm_get_waveform(struct pwm *pwm, struct pwm_waveform *wf);
#ifdef __cplusplus
}
#endif
#endif /* ifndef __LIBPWM_PWM_H__ */
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