2008-04-14 04:41:55 +08:00
|
|
|
#ifndef __LINUX_PWM_H
|
|
|
|
|
#define __LINUX_PWM_H
|
|
|
|
|
|
|
|
|
|
struct pwm_device;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* pwm_request - request a PWM device
|
|
|
|
|
*/
|
|
|
|
|
struct pwm_device *pwm_request(int pwm_id, const char *label);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* pwm_free - free a PWM device
|
|
|
|
|
*/
|
|
|
|
|
void pwm_free(struct pwm_device *pwm);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* pwm_config - change a PWM device configuration
|
|
|
|
|
*/
|
|
|
|
|
int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* pwm_enable - start a PWM output toggling
|
|
|
|
|
*/
|
|
|
|
|
int pwm_enable(struct pwm_device *pwm);
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* pwm_disable - stop a PWM output toggling
|
|
|
|
|
*/
|
|
|
|
|
void pwm_disable(struct pwm_device *pwm);
|
|
|
|
|
|
2009-01-19 01:42:45 +08:00
|
|
|
#endif /* __LINUX_PWM_H */
|
