1 /* 2 * Copyright (c) 2016 François Tigeot 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice unmodified, this list of conditions, and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef _LINUX_PWM_H_ 28 #define _LINUX_PWM_H_ 29 30 #include <sys/bus.h> 31 32 struct pwm_device; 33 34 static inline int 35 pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns) 36 { 37 kprintf("Stub: %s\n", __FUNCTION__); 38 return -EINVAL; 39 } 40 41 static inline unsigned int 42 pwm_get_duty_cycle(const struct pwm_device *pwm) 43 { 44 kprintf("Stub: %s\n", __FUNCTION__); 45 return 0; 46 } 47 48 static inline void 49 pwm_set_duty_cycle(struct pwm_device *pwm, unsigned int duty) 50 { 51 kprintf("Stub: %s\n", __FUNCTION__); 52 } 53 54 static inline int 55 pwm_enable(struct pwm_device *pwm) 56 { 57 kprintf("Stub: %s\n", __FUNCTION__); 58 return -EINVAL; 59 } 60 61 static inline void 62 pwm_disable(struct pwm_device *pwm) 63 { 64 kprintf("Stub: %s\n", __FUNCTION__); 65 } 66 67 static inline struct pwm_device * 68 pwm_get(struct device *dev, const char *consumer) 69 { 70 kprintf("Stub: %s\n", __FUNCTION__); 71 return NULL; 72 } 73 74 static inline void 75 pwm_put(struct pwm_device *pwm) 76 { 77 kprintf("Stub: %s\n", __FUNCTION__); 78 } 79 80 #endif /* _LINUX_PWM_H_ */ 81